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A Collection of Interesting, Important, and Controversial Perspectives Largely Excluded from the American Mainstream Media
Michael Rectenwald on ?Great Reset Rubric = Dystopia?, by Kevin Barrett Sat Feb 27, 2021 05:00 | Kevin Barrett
Peter Simpson on (Neo)Liberalism, by Kevin Barrett Tue Feb 23, 2021 05:00 | Kevin Barrett
Michael Brenner Debunks West?s Anti-Russia Narrative, by Kevin Barrett Thu Feb 18, 2021 05:00 | Kevin Barrett
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Peter Myers Responds to "Chinese Debt Trap Is a Myth", by Kevin Barrett Mon Feb 15, 2021 05:00 | Kevin Barrett
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The Gary Null Show - 03.01.21 Mon Mar 01, 2021 19:20
Shinshu University (Japan), February 26, 2021
Curcumin is a polyphenol compound produced by plants of the Curcuma longa species and has been reported to have many physiological activities, which include anti-oxidation, anti-inflammatory, anti-cancer, and anti-amyloid properties. However, the mechanism and network of action are not completely clear. Amyloidosis is a group of diseases characterized by abnormal aggregates of proteins, known as amyloid fibrils, and subsequent deposition in various tissues and organs, such as Alzheimer's disease, immunoglobulin light chain amyloidosis.
In previous studies, curcumin has been shown to suppress the aggregation and cytotoxicity of many amyloid proteins in vitro, such as amyloid √ü (A√ü), őĪ-synuclein, transthyretin, and prion protein, and has also been reported to inhibit the deposition of A√ü fibrils in a mouse model of Alzheimer's disease. The group investigated amyloid deposition and molecular changes in a mouse model of amyloid apolipoprotein A-II (AApoAII) amyloidosis, in which mice were fed a curcumin-supplemented diet. In this research, it was found that curcumin intake elevated ApoA-II and HDL-cholesterol concentration in plasma by activating the peroxisome proliferator-activated receptor alpha (PPARőĪ) signaling pathway, resulting in increased AApoAII amyloid deposition and peroxisome proliferation. These findings demonstrate the novel agonistic effect of curcumin on PPARőĪ, which is an important transcription factor for lipid metabolism, and may have far-reaching significance for the treatment of amyloidosis and other metabolic disorders.
It was reported that high-fat diet supplement aggravates a variety of amyloid deposition including A√ü in Alzheimer's disease model mice, but a link between lipid metabolism and the development of amyloidosis has not been completely established. These results provide a promising molecular target to understand the molecular mechanism of amyloidogenesis, which the activation state of PPARőĪ pathway may be a bridge to connect the change of lipid metabolism level and the degree of amyloid deposition. In addition, it has been regarded that curcumin, as an agonist of PPARő≥, exerts anti-inflammatory, anti-cancer and antioxidant activities in the past. However, this study demonstrates that curcumin is a PPARőĪ/ő≥ dual activator and may affect expression levels of proteins involved in amyloid deposition and other metabolism functions in a complex manner. By focusing on the PPARőĪ pathway, the group hope to provide an opportunity to reconsider the mechanism of the physiological effects of curcumin.
In the next stage, the group would like to clarify how curcumin activates the PPARőĪ signaling pathway in vitro and confirm whether the activation of PPARőĪ can affect amyloid deposition on other types of amyloidosis in vivo (Alzheimer's disease, ATTR amyloidosis etc.). The goal in this research is to elucidate the molecular pathways involved in the pathogenesis of amyloidosis in vivo and to develop effective therapeutic or preventive methods against the development of amyloidosis. As a future study, the group hopes to fully understand the molecular fluctuations of PPARőĪ-activated cells and verify the effectiveness of interventions in these pathways for various metabolic diseases.
¬†Older women who ate more plant protein had lower risk of premature, dementia-related death
University of Iowa, February 24, 2021¬†
Postmenopausal women who ate high levels of plant protein had lower risks of premature death, cardiovascular disease and dementia-related death compared with women who ate less plant proteins, according to new research published today in the¬†Journal of the American Heart Association, an open access journal of the American Heart Association.
Previous research has shown an association between diets high in red meat and cardiovascular disease risk, yet the data is sparse and inconclusive about specific types of proteins, the study authors say.
In this study, researchers analyzed data from more than 100,000 postmenopausal women (ages 50 to 79) who participated in the national Women's Health Initiative study between 1993 and 1998; they were followed through February 2017. At the time they enrolled in the study, participants completed questionnaires about their diet detailing how often they ate eggs, dairy, poultry, red meat, fish/shellfish and plant proteins such as tofu, nuts, beans and peas. During the study period, a total of 25,976 deaths occurred (6,993 deaths from cardiovascular disease; 7,516 deaths from cancer; and 2,734 deaths from dementia).
Researchers noted the levels and types of protein women reported consuming, divided them into groups to compare who ate the least and who ate the most of each protein. The median percent intake of total energy from animal protein in this population was 7.5% in the lowest quintile and 16.0% in the highest quintile. The median percent intake of total energy from plant protein in this population was 3.5% in the lowest quintile and 6.8% in the highest quintile.
Among the key findings:
"It is unclear in our study why eggs were associated with a higher risk of cardiovascular and cancer death," said lead study author Wei Bao, M.D., Ph.D., an assistant professor of epidemiology at the University of Iowa in Iowa City. "It might be related to the way people cook and eat eggs. Eggs can be boiled, scrambled, poached, baked, basted, fried, shirred, coddled or pickled or in combinations with other foods. In the United States, people usually eat eggs in the form of fried eggs and often with other foods such as bacon. Although we have carefully accounted for many potential confounding factors in the analysis, it is still difficult to completely tease out whether eggs, other foods usually consumed with eggs, or even non-dietary factors related to egg consumption, may lead to the increased risk of cardiovascular and cancer death."
Researchers noted that substitution of total red meat, eggs or dairy products with nuts was associated with a 12% to 47% lower risk of death from all causes depending on the type of protein replaced with nuts.
"It is important to note that dietary proteins are not consumed in isolation, so the interpretation of these findings could be challenging and should be based on consideration of the overall diet including different cooking methods," said Yangbo Sun, M.D., Ph.D., co-author of the study, a postdoctoral research scholar at the University of Iowa in Iowa City and currently an assistant professor of epidemiology at the University of Tennessee Health Science Center.
The analysis also revealed that women who ate the highest amount of animal protein such as meat and dairy were more likely to be white and have a higher education and income, and they were more likely to be past smokers, drink more alcohol and be less physically active. Moreover, these women were more likely to have Type 2 diabetes at the start of the study, a family history of heart attacks and a higher body mass index -- all risk factors for cardiovascular disease.
"Our findings support the need to consider dietary protein sources in future dietary guidelines," said Bao. "Current dietary guidelines mainly focus on the total amount of protein, and our findings show that there may be different health influences associated with different types of protein foods."
2020-2025 Dietary Guidelines for Americans, jointly published by the U.S. Departments of Agriculture (USDA) and Health and Human Services (HHS), recommend eating a variety of protein foods: low-fat meat, low-fat poultry, eggs, seafood, beans, peas, lentils, nuts, seeds and soy products including at least 8 ounces of cooked seafood per week.
The AHA's 2020 Dietary Cholesterol and Cardiovascular Risk advisory notes that given the relatively high content of cholesterol in egg yolks, it remains advisable to limit intake. Healthy individuals can include up to one whole egg or the equivalent daily.
The study had several limitations including that it was observational, based on self-reported data at the beginning of the study and lacked data on how the proteins were cooked. In addition, the findings may not apply to younger women or men.
Citrus Flavonoid May Help to Improve Metabolic and Inflammatory Markers
Sao Paulo State University (Brazil), February 20, 2021
The researchers from Sao Paulo State University and the US Horticultural Research Laboratory associated the citrus flavonoid with a significant reduction in levels of cholesterols and triglycerides which are markers of insulin resistance at low (10 and 25 mg/kg BW) and high ( 100 mg/kg BW) doses, with the best results being observed at 25 mg per kg of body weight.¬†
The study authors wrote,¬†‚ÄúTherefore, our results showed that low doses of dietary eriocitrin are able to counteract the deleterious effects of high-fat diet and prevent risk factors of metabolic syndrome and chronic disease related to obesity.‚ÄĚ¬†
‚ÄúFurther, the use of lower doses may help to prevent unintended complications possibly occurring at much higher doses of potent antioxidant supplements such as eriocitrin.‚ÄĚ
‚ÄúAs a leading supplier of citrus flavonoids, we put great importance into the continual development of research into these powerful ingredients,‚ÄĚ¬†said Rob Brewster who is the President of Ingredients by Nature (IBN).¬†‚ÄúEriocitrin is not as commonly recognized as other fruit-derived flavonoids, but the science shows that it is a potent source of health support for a variety of health complications. We look forward to seeing what future research will continue to reveal about it.‚ÄĚ
During this study 40 male mice were fed a high-fat diet for 4 weeks to induce obesity, then they were divided at random into four different groups for an additional 4 weeks and given doses of eriocitrin at 0, 10, 25, or 100 mg per kg of body weight, while a control group was fed a standard diet for the 8 weeks.¬†
The researchers reported the best results being observed in the eriocitrin group taking 25 mg/kg with reductions in triglycerides of 31%, total cholesterol of 6%, and liver triacylglycerols of 28% compared to the control group. Eriocitrin at 25 mg/kg was associated with a reduction in lipid peroxidation of 19%, and markers of insulin resistance including resistin and the insulin resistance index also significantly decreased. Additionally, serum glucose levels also significantly decreased by 25%, insulin levels by 35% in this same group.¬†
‚ÄúMost studies on eriocitrin haven‚Äôt explored its effect on obesity induces metabolic disturbances and, because the global rate of obesity continues to increase, we felt that it was important to examine the topic further,‚ÄĚ said the corresponding author Dr. Thais Cesar who is also an associate professor of nutrition at Sao Paulo State University.¬†‚ÄúEriocitrin significantly improved metabolic, inflammatory, and oxidative stress parameters across multiple biomarkers, showing potential to delay the development of inflammatory complications. We look forward to performing additional research on eriocitrin in the future.‚ÄĚ
This study was sponsored by IBM, and also showed that eriocitrin was effective in terms of glucose and lipid metabolism, especially with blood glucose reduction, along with delivering a strong antioxidant defense by directly helping the uptake of oxygen radicals and promoting the activation of endogenous defense mechanisms. This effect has been reported in previous studies including with the lemon flavonoid blend Eriomin, which is made up primarily of eriocitrin. Last year, the company also received patent approval from the USPTO for IBN‚Äôs use of eriocitrin as a method of reducing blood glucose levels
Resveratrol may be an effective intervention for lung aging
The Saban Research Institute (Los Angeles), February 22, 2021
In a study led by Barbara Driscoll, PhD, of The Saban Research Institute of Children's Hospital Los Angeles, researchers demonstrate, for the first time that inhaled resveratrol treatments slow aging-related degenerative changes in mouse lung. Lung aging, characterized by airspace enlargement and decreasing lung function, is a significant risk factor for chronic human lung diseases. The study is published online in the journal¬†Thorax.
"We believe that ours is the first study to demonstrate a beneficial effect of lung-directed resveratrol treatments on aging lung function," said Driscoll.
Resveratrol (RSL), a chemical found in red wine, is an antimicrobial chemical substance produced by plants to protect against infection and stress-related changes. It has previously been shown to support muscle metabolism when delivered orally.
RSL prophylaxis by inhalation was a novel measure taken by the research team as a potential approach for slowing age-related deterioration of lung function and structure by preserving alveolar epithelial type¬†2¬†cells (AEC2) which line alveoli (the tiny air sacs in the lungs through which the exchange of oxygen and carbon dioxide takes place) and produce surfactant which is vital for efficient breathing.
In¬†healthy¬†young adults, breathing is an essential, efficient process, but natural aging of the lung occurs at a steady and irreversible rate, as measured by a decline in lung function. This natural deterioration leads to a significantly reduced quality of life, over a time frame dependent on genetic and environmental factors. Although some available therapies can ameliorate symptoms, aging-related lung failure is generally irreversible and is accompanied by high rates of morbidity and mortality due to increased disease risk, including development of COPD, with accompanying emphysema and chronic bronchitis.
Using a rapidly aging mouse model, the research team investigated whether the accumulation of age-related degenerative changes in the lung could be slowed by inhaled RSL. Treatment cohorts received either RSL or vehicle by intratracheal (IT) instillation monthly for three months. One month following the final treatment, whole lung function and injury-related gene expression in AEC2 were assessed.
The research team found that inhaled, prophylactic resveratrol treatments can slow the rate of¬†lung function¬†decline, alveolar enlargement and alveolar epithelial type¬†2¬†cell DNA damage that occurs in the early stages of lung aging. They concluded that administration of resveratrol directly to the lungs may be an effective intervention for lung aging, which is a significant risk factor for development of¬†chronic lung disease.
"While the natural deterioration of the human lung generally occurs over decades, the injury to¬†lung cells¬†is analogous to the¬†lung¬†cell damage that occurs in premature infants who experience respiratory distress before their lungs have fully developed," added Driscoll. "Identifying a way to protect and strengthen young lungs before significant damage occurs is the goal of our research."
¬†Deficient magnesium levels prevalent in an older population
Kathmandu Medical College (Nepal), February 19, 2021
According to news reporting out of¬†Kathmandu Medical College¬†research stated, ‚ÄúMagnesium deficiency is common in the elderly and critically ill population and has been associated with a prolonged ICU stay. The knowledge of hypomagnesemia is essential as it could have prognostic and therapeutic implications in the elderly population.‚ÄĚ
The news correspondents obtained a quote from the research from¬†Kathmandu Medical College: ‚ÄúThis study aimed to estimate the prevalence of hypomagnesemic in the elderly population visiting a tertiary care center. This descriptive cross-sectional study was conducted in a tertiary care hospital from¬†March 21, 2020¬†to¬†September 21, 2020. After obtaining ethical clearance from the institutional review committee (Ref. 2003202008), convenience sampling was done. Data were collected and entered in Microsoft Excel version 2007. Point estimate at 95% Confidence Interval was calculated along with frequency and proportion for binary data. Out of 384 participants, 174 (45%) participants were found to have deranged magnesium levels, in which 111 (29%) (31.3-26.7 at 95% Confidence Interval) were found to be hypomagnesemia. Among them, 62 (29.4%) males and 49 (28.5%) females were hypomagnesemia. The average level of serum magnesium was 2.02¬Ī0.76 mg/dl ranging from 0.03 to 4.71. The mean age of participants was 70.31¬Ī8.13 years, among which the participants between the age group of 71-80 years presented with a maximum percentage of hypomagnesemia.‚ÄĚ
According to the news reporters, the research concluded: ‚ÄúThe present study has shown that an apparently-healthy elderly population may have a magnesium deficiency that may need to be identified and treated for optimizing clinical care. Further multicentric studies with a greater sample size should be done in this field, which will benefit the elderly population.‚ÄĚ
¬†Researchers identify mechanism by which exercise strengthens bones and immunity
University of Texas Medical Center, February 24, 2021
Scientists at the¬†Children's Medical Center Research Institute at UT Southwestern¬†(CRI) have identified the specialized environment, known as a niche, in the bone marrow where new bone and immune cells are produced. The study, published in¬†Nature, also shows that movement-induced stimulation is required for the maintenance of this niche, as well as the bone and immune-forming cells that it contains. Together, these findings identify a new way that exercise strengthens bones and immune function.
Researchers from the¬†Morrison laboratorydiscovered that forces created from walking or running are transmitted from bone surfaces along arteriolar blood vessels into the marrow inside bones. Bone-forming cells that line the outside of the arterioles sense these forces and are induced to proliferate. This not only allows the formation of new bone cells, which helps to thicken bones, but the bone-forming cells also secrete a growth factor that increases the frequency of cells that form lymphocytes around the arterioles. Lymphocytes are the B and T cells that allow the immune system to fight infections.
When the ability of the bone-forming cells to sense pressure caused by movement, also known as mechanical forces, was inactivated, it reduced the formation of new bone cells and lymphocytes, causing bones to become thinner and reducing the ability of mice to clear a bacterial infection.¬†
"As we age, the environment in our bone marrow changes and the cells responsible for maintaining skeletal bone mass and immune function become depleted. We know very little about how this environment changes or why these cells decrease with age," says¬†Sean Morrison, Ph.D., the director of CRI and a Howard Hughes Medical Institute Investigator. "Past research has shown exercise can improve bone strength and immune function, and our study discovered a new mechanism by which this occurs."
Previous¬†work from the Morrison laboratory discovered the skeletal stem cells that give rise to most of the new bone cells that form during adulthood in the bone marrow. They are Leptin Receptor+ (LepR+) cells. They line the outside of blood vessels in the bone marrow and form critical growth factors for the maintenance of blood-forming cells. The Morrison lab also found that a subset of LepR+ cells synthesize a previously undiscovered bone-forming growth factor called Osteolectin. Osteolectin promotes the maintenance of the adult skeleton by causing LepR+ to form new bone cells.
In the current study, Bo Shen, Ph.D., a postdoctoral fellow in the Morrison laboratory, looked more carefully at the subset of LepR+ cells that make Osteolectin. He discovered that these cells reside exclusively around arteriolar blood vessels in the bone marrow and that they maintain nearby lymphoid progenitors by synthesizing stem cell factor (SCF) - a growth factor on which those cells depend. Deleting SCF from Osteolectin-positive cells depleted lymphoid progenitors and undermined the ability of mice to mount an immune response to bacterial infection.
"Together with our previous work, the findings in this study show Osteolectin-positive cells create a specialized niche for bone-forming and lymphoid progenitors around the arterioles. Therapeutic interventions that expand the number of Osteolectin-positive cells could increase bone formation and immune responses, particularly in the elderly," says Shen.
Shen found that the number of Osteolectin-positive cells and lymphoid progenitors decreased with age. Curious if he could reverse this trend, Shen put running wheels in the cages so that the mice could exercise. He found the bones of these mice became stronger with exercise, while the number of Osteolectin-positive cells and lymphoid progenitors around the arterioles increased. This was the first indication that mechanical stimulation regulates a niche in the bone marrow.¬†
Shen found that Osteolectin-positive cells expressed a receptor on their surfaces - known as Piezo1 - that signals inside the cell in response to mechanical forces. When Piezo1 was deleted from Osteolectin-positive cells of mice, these cells and the lymphoid progenitors they support became depleted, weakening bones and impairing immune responses.
"We think we've found an important mechanism by which exercise promotes immunity and strengthens bones, on top of other mechanisms previously identified by others," says Morrison.
¬†Long-term iodine nutrition associated with longevity in older adults: a 20 year follow-up of the Randers-Skagen Study Aalborg University (Denmark), February 23, 2021
According to news reporting originating in Aalborg,¬†Denmark, research stated, ‚ÄúIodine intake affects the occurrence of thyroid disorders. However, the association of iodine intake with longevity remains to be described.‚ÄĚ
The news reporters obtained a quote from the research from¬†Aalborg University Hospital, ‚ÄúThis led us to perform a 20 years‚Äô follow-up on participants from the Randers-Skagen (RaSk) study. Residents in Randers born in 1920 (n 210) and Skagen born in 1918-1923 (n 218) were included in a clinical study in 1997-1998. Mean iodine content in drinking water was 2 mu g/l in Randers and 139 mu g/l in Skagen. We collected baseline data through questionnaires, performed physical examinations and measured iodine concentrations in spot urine samples. Income data were retrieved from Danish registries. We performed follow-up on mortality until¬†31 December 2017¬†using Danish registries. Complete follow-up data were available on 428 out of 430 of participants (99 center dot 5 %). At baseline, the median urinary iodine concentration was 55 mu g/l in Randers and 160 mu g/l in Skagen residents. Participants were long-term residents with 72.8 and 92.7 % residing for more than 25 years in Randers and Skagen, respectively. Cox regression showed that living in Skagen compared with Randers was associated with a lower hazard ratio (HR) of death in both age- and sex-adjusted analyses (HR 0.60, 95 % CI 0.41, 0.87, P = 0.006), but also after adjustment for age, sex, number of drugs, Charlson co-morbidity index, smoking, alcohol and income (HR 0.60, 95 % CI 0.41, 0.87, P = 0.008). Residing in iodine-replete Skagen was associated with increased longevity.‚ÄĚ
According to the news reporters, the research concluded: ‚ÄúThis indicates that long-term residency in an iodine-replete environment may be associated with increased longevity compared with residency in an iodine-deficient environment.‚ÄĚ
This research has been peer-reviewed.
The Gary Null Show - 02.26.21 Fri Feb 26, 2021 20:49
The results of human studies assessing the efficacy of lycopene on insulin-like growth factor 1 (IGF-1) levels are inconsistent. Thus, we performed a systematic review and meta-analysis to examine the effects of lycopene supplementation on serum IGF-1 levels and cardiovascular disease.Methods
The literature published up to January 2020 was searched using the electronic databases Scopus, PubMed/Medline, Web of Science, Embase and Google Scholar.Results
Seven qualified trials were included in the current meta-analysis. IGF-1 levels were non-significantly decreased in lycopene group compared to the control (WMD: ‚ąí6.74‚ÄČng/mL, 95 % CI: ‚ąí23.01 to 9.52, p‚ÄČ=‚ÄČ0.42; I2‚ÄČ=‚ÄČ94.3 %). Subgroup analysis revealed a significantly decrease in IGF-1 levels upon lycopene supplementation at doses ‚Č•15‚ÄČmg/d (WMD: ‚ąí6.40‚ÄČng/mL), intervention period 15‚ÄČmg/d, for
The Gary Null Show - 02.25.21 Thu Feb 25, 2021 19:26
Tabriz University of Medical Sciences (Iran),¬†February 24 2021.¬†
A randomized trial reported on February 18, 2021 in¬†Complementary Therapies in Medicine¬†resulted in improvement of several factors related to type 2¬†diabetes¬†among men and women who were given supplements containing French maritime pine bark extract.
The trial included 46 diabetics between the ages of 30 and 65 years who were recruited from March 2018 to April 2019. Participants received two capsules that provided 50 milligrams each of French maritime bark extract or a placebo daily for eight weeks. Diet and medication use remained unchanged throughout the trial. Anthropometric factors, glycemic parameters, lipids and factors related to inflammation and kidney function were assessed at the beginning and end of the study.¬†
At eight weeks, waist circumference, waist to height ratio, hemoglobin A1c, total cholesterol, vascular cell adhesion molecule 1 (VCAM-1, an inflammatory cell that contributes to atherosclerosis), and urinary albumin to creatinine ratio (an early indicator of kidney disease) were lower at the end of the study among participants who received French maritime pine bark extract in comparison with the placebo. Serum fasting blood glucose levels were also lower at the end of the study in the group that received the extract; however, the reduction was not considered significant.¬†
‚ÄúThere is a growing body of evidence that suggests pine bark extract supplementation has some potentially beneficial metabolic properties such as anti-diabetic and hypoglycemic effects,‚ÄĚ Elham Navval-Esfahlan and colleagues wrote.
‚ÄúThe present study indicated that daily supplementation with 100 mg of pine bark extract in patients with type 2 diabetes mellitus and microalbuminuria had favorable effects on glycemic control, serum VCAM-1, and urinary albumin to creatine ratio level, as well as total cholesterol concentrations and abdominal obesity which could be helpful in the control of diabetes complications,‚ÄĚ they concluded.¬†
¬†Study finds association between supplementing with zinc and lower risk of Alzheimer's disease
University of Manchester (UK), February 22 2021.¬†
An epidemiologic study conducted at the University of Manchester found an association between zinc supplementation and a decreased risk of¬†Alzheimer's disease¬†as well as a reduction in the progression of cognitive decline in Alzheimer's disease patients. It was additionally determined that zinc deficiency accelerated memory deficits in an Alzheimer's disease mouse model compared to a control group, due to increased inflammation. The findings were reported in an article appearing on February 17, 2021 in the¬†Journal of Neuroscience.
For the epidemiologic study, Jack Rivers-Auty and his associates utilized data from the Alzheimer‚Äôs Disease Neuroimaging Initiative database, which included 1,631 men and women who were cognitively normal or diagnosed with mild cognitive impairment or early Alzheimer's disease. Subjects were evaluated upon enrollment, at six and 12 months, and yearly thereafter. Data obtained at the beginning of the study provided information concerning the use of nutritional supplements.¬†
Among those who reported supplementing with zinc, just 6% were diagnosed with Alzheimer's disease, in contrast with 26% of those who reported no supplement use. Calcium, iron and magnesium also appeared to be protective. Zinc use was additionally associated with a less rapid rate of cognitive decline during up to ten years of follow-up.¬†
Giving mice zinc deficient diets was associated with increased cognitive decline due to enhanced NLRP3-driven inflammation, which was reversed by giving the animals diets that contained a normal amount of zinc. ‚ÄúThese data suggest that zinc deficiency is causally accelerating cognitive decline in Alzheimer‚Äôs disease and that these cognitive deficits are reversible,‚ÄĚ Dr Rivers-Auty and colleagues wrote.¬†
‚ÄúThis research suggests that zinc status is linked to inflammatory reactivity and may be modified in people to reduce the risk and slow the progression of Alzheimer‚Äôs disease,‚ÄĚ they concluded.
¬†Study finds low folate, vitamin B12 associated with worse cognitive function
University of Massachusetts, February 22, 2021
According to news reporting from¬†Lowell, Massachusetts, research stated, ‚ÄúThere is evidence that low plasma vitamin B-12 and folate individually, as well as an imbalance of high folic acid and low vitamin B-12 status, may be associated with lower cognitive function. We examined dietary and plasma folate and vitamin B12 status, and their interaction, in relation to cognitive function in a cohort of older Puerto Rican adults.‚ÄĚ
The news correspondents obtained a quote from the research from the¬†University of Massachusetts Lowell, ‚ÄúThe design is cross-sectional, with 1408 participants from the Boston Puerto Rican Health Study (mean SD age: 57.1 +/- 7.9 y). Cognitive function was assessed with a comprehensive test battery and a global composite score was derived. Plasma folate, vitamin B12, and methylmalonic acid (MMA) were assessed in fasting blood samples. After adjusting for covariates, high plasma folate and high plasma vitamin B-12 were each positively associated with global cognitive score (beta: 0.063; 95% CI: -0.0008, 0.127; P = 0.053 and beta: 0.062; 95% CI: 0.009, 0.12; P = 0.023, respectively, for logged values, and beta: 0.002; 95% CI: 0.00005, 0.004; P-trend = 0.044 and beta: 0.00018; 95% CI: 0.00001, 0.0003; P-trend = 0.036, respectively, across tertiles). Nine percent of participants had vitamin B-12 deficiency (plasma vitamin B-12 148 pmol/L or MMA 271 nmol/L), but none were folate deficient (plasma folate < 4.53 nmol/L). Deficient compared with higher vitamin B-12 was significantly associated with lower cognitive score (beta: -0.119; 95% CI: -0.208, -0.029; P = 0.009). We could not examine the interaction for vitamin B-12 deficiency and high plasma folate, because there were too few individuals (
The Gary Null Show - 02.24.21 Wed Feb 24, 2021 19:39
Gary takes on the real issues that the mainstream media is afraid to tackle. Tune in to find out the latest about health news, healing, politics, and the economy.¬†¬† L-theanine improves neurophysiologic measures of attention in dose-dependent manner University of Peradeniya (Sri Lanka), February 22, 2021 According to news reporting originating from Peradeniya, Sri Lanka,research stated, ‚ÄúL-theanine, a non-proteinic amino acid found in tea, is known to enhance attention particularly in high doses, with no reported adverse effects. We aimed to determine whether oral administration of L-theanine acutely enhances neurophysiological measures of selective attention in a dose-dependent manner.‚ÄĚ Our news editors obtained a quote from the research from the University of Peradeniya, ‚ÄúIn a double-blind, placebo-controlled, counterbalanced, 4-way crossover study in a group of 27 healthy young adults, we compared the effects of 3 doses of L-theanine (100, 200 and 400 mg) with a placebo (distilled water) on latencies of amplitudes of attentive and pre-attentive cognitive event-related potentials (ERPs) recorded in an auditory stimulus discrimination task, before and 50 min after dosing. Compared to the placebo, 400 mg of theanine showed a significant reduction in the latency of the parietal P3b ERP component (p < 0.05), whereas no significant changes were observed with lower doses. A subsequent exploratory regression showed that each 100-mg increase in dose reduces the P3b latency by 4 ms (p < 0.05). No dose-response effect was observed in P3b amplitude, pre-attentive ERP components or reaction time. The findings indicate L-theanine can increase attentional processing of auditory information in a dose-dependent manner.‚ÄĚ According to the news editors, the research concluded: ‚ÄúThe linear dose-response attentional effects we observed warrant further studies with higher doses of L-theanine.‚ÄĚ This research has been peer-reviewed. ¬† Lost your appetite? Nutmeg oil can bring it back Kyoto University (Japan), February 21 2021 Loss of appetite is treated by directly addressing its cause. However, depending on the condition it‚Äôs associated with, treatment can be expensive. But in a recent study, researchers at Kyoto University investigated a potential treatment for loss of appetite that‚Äôs both inexpensive and easy to administer. Myristica fragrans, from which this natural medicine is derived, is an evergreen tree native to the Moluccas, or Spice Islands, of Indonesia. The seeds of this exotic plant are the main source of two popular culinary spices, namely, nutmeg and mace. According to previous studies, the oil derived from the fruits and seeds of the nutmeg tree has appetite-enhancing properties. Nutmeg oil is also traditionally used to treat digestive issues, such as bloating, gastrointestinal distress and decreased appetite. The researchers explored the beneficial properties and active components of nutmeg oil in an article published in the Journal of Natural Medicines. Nutmeg oil shows appetite-enhancing effects in vivo The spice known as nutmeg is popular for its warm, nutty flavor that goes well with sweet and savory dishes. It is widely used today in the culinary world and can be found in almost every kitchen around the world. In Asian countries, nutmeg is not only used as an ingredient, but it also has a long history of use as herbal medicine that can improve a person‚Äôs appetite. (Related: Nutmeg exhibits powerful anti-diabetes properties, concludes study.) According to previous studies, nutmeg oil contains two active phytochemicals, myristicin and methyl eugenol. Myristicin is also present in parsley, black pepper, carrots and dill, and is said to have anti-inflammatory, antibacterial, antioxidant, anti-proliferative, anti-cholinergic and hepatoprotective properties. Methyl eugenol, meanwhile, is a compound present in various essential oils. It has been reported to have antibacterial, antifungal, insecticidal, anesthetic and antioxidant properties. In one animal study, researchers found that inhalation of myristicin and methyl eugenol increased the appetite mice. Because of this, the two compounds have attracted the attention of healthcare professionals who care for older people with dementia. Loss of appetite is not unusual for these patients since they tend to suffer from hypophagia, or a reduction in food intake and feeding behavior. Hypophagia, if left unaddressed, leads to frailty, and patients end up bedridden. Hence, inexpensive appetite-enhancing agents that are easy to administer are particularly desirable. In their study, the Japanese researchers found that inhalation of nutmeg oil, myristicin and methyl eugenol produced appetite-enhancing effects in mice. However, only methyl eugenol exerted both appetite-enhancing and locomotor-reducing effects at the same dose. According to a previous study, benzylacetone, an attractant compound found abundantly in flowers, also exerted the same effects at the same dose, and even increased the bodyweight of mice significantly. Methyl eugenol, however, did not have the same effect on body weight because the mice experienced olfactory habituation ‚ÄĒ reduced behavioral response due to repeated exposure ‚ÄĒ after several inhalations. The researchers believe that their study provides crucial information for identifying suitable compounds that can be used for the long-term treatment of appetite loss. ¬† Case Study Shows Cannabis Led To Remarkable Improvement In Childhood Autism Symptoms Caleo Health Clinic (Canada) and Alberta Children's Hospital, February 21, 2021 An extremely promising case study was recently published in the Journal of Medical Case Reports illustrating the positive effects of cannabis extract and its association with improved autism related behavioral symptoms. According to the authors, ‚Äúthe pharmacological treatment for autism spectrum disorders is often poorly tolerated and has traditionally targeted associated conditions, with limited benefit for the core social deficits. We describe the novel use of a cannabidiol-based extract that incidentally improved core social deficits and overall functioning in a patient with autism spectrum disorder, at a lower dose than has been previously reported in autism spectrum disorder.‚ÄĚ The case study focused on a child with autism who was switching out prescription seizure medicine for his epilepsy with a very low cannabidiol-based extract dose. The study found that not only did the cannabidiol extract help with his seizures, but he also ‚Äúexperienced unanticipated positive effects on behavioral symptoms and core social deficits,‚ÄĚ according to the study. Researchers pointed out that to modify disruptive behaviors and improve social communication skills, often times children with autism are prescribed psychopharmacologic medications that target specific ASD core behaviors (for example, repetitive behaviors) and associated behaviors (for example, hyperactivity, aggression, anxiety, and sleep disturbances), but do not treat core social communication deficits. They explain that these medications are known for producing ‚Äúsubstantial side effects.‚ÄĚ For example, aripiprazole and risperidone, the only two medications approved by the US Food and Drug Administration (FDA) to treat irritability and agitation in ASD, frequently cause somnolence, increased appetite, and weight gain. These factors have led to families seeking alternative treatments outside of the psychopharmacologic realm. One of the newest forms of these alternative medicines is cannabidiol-based extract. Researchers reported that the patient‚Äôs symptoms improved within six-months of treatment, and that he has maintained ‚Äúpositive effects on his behavioral symptoms, anxiety, sleep, and social deficits‚ÄĚ since that time. The results of CBE treatments, according to the case study, were nothing short of remarkable. He became more motivated and energetic, starting his own vegetarian diet and exercise programs, ultimately losing 6.4‚ÄČkg after starting CBE for a calculated BMI of 21.33‚ÄČkg/m2. He was able to start his first part-time job helping customers and interacting with them. He was instructed to fill out the self-administered Adult AQ which resulted in a normal score of 10. His mother stated he now also has a girlfriend. ‚ÄúThis case report provides evidence that a lower than previously reported dose of a phytocannabinoid in the form of a cannabidiol-based extract may be capable of aiding in autism spectrum disorder-related behavioral symptoms, core social communication abilities, and comorbid anxiety, sleep difficulties, and weight control,‚ÄĚ authors concluded. ‚ÄúFurther research is needed to elucidate the clinical role and underlying biological mechanisms of action of cannabidiol-based extract in patients with autism spectrum disorder.‚ÄĚ According to a report in Norml, these finding back up previous research published last year by investigators at Tufts University in Boston who similarly reported that the oral administration of cannabis-based products is associated with improvements in autistic symptoms in patients with self-injurious behaviors and co-morbid epilepsy, Several small clinical trials ‚Äď such as those reported here, here, here, and here ‚Äď have also previously reported that plant-derived cannabis extracts are effective and well-tolerated in mitigating various symptoms in patients with ASD, including hyperactivity, seizures, anxiety, and rage attacks. ¬† High Homocysteine Levels May Increase Risk Of Heart Attack, Stroke, & Alzheimer‚Äôs Disease Temple University, February 14, 2021 There is a strong need for increased awareness, better prevention, detection, and treatment of Alzheimer‚Äôs disease with well over 5 million Americans currently suffering from this debilitating brain-wasting disease, and this number is projected to triple over the next few decades Research has found a link between Alzheimer‚Äôs disease and elevated levels of homocysteine. A recent study from Temple University has revealed another important connection between specific vitamin deficiencies and high homocysteine. Elevated homocysteine can increase the risk of dementia up to tenfold, and the list of ways this can affect the brain is long and damaging. This can include but is not limited to the formation of plaque in blood vessels that supply blood to the brain, development of chronic inflammation in the brain, and shrinkage of areas in the brain associated with memory. Additionally, excess homocysteine promotes the neurofibrillary tau tangles and harmful beta-amyloid plaques that are associated with AD, and it can interfere with the DNA repair process needed for brain cell maintenance. The harmful effects of elevated levels of homocysteine can all take a toll on brain function. For example, a study published in the Annals of Neuroscience found that elevated levels of homocysteine are associated with a 4.2-10.5 fold increased risk for vascular dementia, and the higher homocysteine rises the more damage it can cause. The study reported elevations in homocysteine were found to correspond closely to the degrees of cognitive impairment experienced by the participants. A report published in the Journal of Alzheimer‚Äôs Disease classified elevated homocysteine as a risk factor for Alzheimer‚Äôs disease, dementia, and cognitive decline. The researchers noted that the risk from elevated homocysteine was modifiable, meaning that reducing these levels could help to reduce the risk of brain damage. The recent study published in the journal Molecular Psychiatry describes the dangers of B-complex vitamin shortfalls in relation to homocysteine which is produced in the body in response to the breakdown of proteins and is normally detoxified by B-complex vitamins. Mice were deprived of vitamins B6, B9, and B12 for eight months, the animals were found to display elevated levels of homocysteine and 50% more tau tangles in the brain. The increased levels also caused increased levels of the pro-inflammatory chemical 5-LOX. The animals also displayed considerable difficulty with learning and remembering a water maze compared to the control group. The brain is not the only thing affected by high levels of homocysteine, this condition can also cause harm to the cardiovascular system including but not limited to damaging the lining of blood vessels, promoting deposits of plaque in the arteries that can cause a clog and increases the risk of heart attack or stroke. Research has shown that high levels of homocysteine is linked to a 42% increase in the risk of constricted carotid arteries which is a major risk factor for strokes. Elevated levels of homocysteine and poor arterial function can combine to interfere with the ability of the body to counter dangerous clotting inside of the arteries as well as with the ability of the heart to adapt to a blocked vessel by creating a new pathway. Elevated levels of homocysteine are dangerous to those with existing cardiovascular disease. A study involving over 3,000 participants with chronic heart disease found that elevated levels were associated with a 2.5 fold increased risk for coronary events. The researchers discovered a formula for measuring the risk, and suggested that every additional 5 micromoles per liter of homocysteine results in a 25% risk increase. As a product of less efficient detoxification functions levels of homocysteine tends to increase with aging. Genetics, stress, and the use of prescription drugs can also affect homocysteine levels. Experts suggest that a shortage in vitamins B2, B6, B9, and B12 that normally detoxify the amino acid are often the reason behind increasing levels of homocysteine. If you are concerned about your levels of homocysteine, or vitamin levels consult with your physician or certified medical professionals who may be able to address your concerns with a simple blood test. If you have reached or are approaching elderhood, with degenerative chronic conditions such as Alzheimer‚Äôs disease and heart disease on the rise it may be better to err on the side of caution and get checked rather than guess. Experts suggest that B complex vitamins are involved in breaking down homocysteine in the blood. These vitamins can be supplemented, but it is always best to obtain them via natural sources such as is found in eating a diet that is rich in fruits, vegetables, and whole grains. For example, vitamin B9 can be obtained in leafy greens and lentils; and B6 can be obtained in potatoes, chickpeas, and bananas; while B12 can be obtained in dairy products and organ meats. ¬† For breakthroughs in slowing aging, scientists must look beyond biology University of Southern California, February 22, 2021 A trio of recent studies highlight the need to incorporate behavioral and social science alongside the study of biological mechanisms in order to slow aging. The three papers, published in concert in Ageing Research Reviews, emphasized how behavioral and social factors are intrinsic to aging. This means they are causal drivers of biological aging. In fact, the influence of behavioral and social factors on how fast people age are large and meaningful. However, geroscience--the study of how to slow biological aging to extend healthspan and longevity--has traditionally not incorporated behavioral or social science research. These papers are by three pioneers in aging research and members of the National Academy of Medicine who study different aspects of the intersection of biology and social factors in shaping healthy aging through the lifespan. Improving translation of aging research from mice to humans Exciting biological discoveries about rate of aging in non-human species are sometimes not applicable or lost when we apply them to humans. Including behavioral and social research can support translation of geroscience findings from animal models to benefit humans, said Terrie Moffitt, the Nannerl O. Keohane University Professor of Psychology and Neuroscience at Duke University. "The move from slowing fundamental processes of aging in laboratory animals to slowing aging in humans will not be as simple as prescribing a pill and watching it work," Moffitt said. "Compared to aging in laboratory animals, human aging has many behavioral/social in addition to cellular origins and influences. These influences include potential intervention targets that are uniquely human, and therefore are not easily investigated in animal research." Several of these human factors have big impacts on health and mortality: stress and early life adversity, psychiatric history, personality traits, intelligence, loneliness and social connection, and purpose in life are connected to a variety of late-life health outcomes, she explained. These important factors need to be taken into account to get a meaningful prediction of human biological aging. "Geroscience can be augmented through collaboration with behavioral and social science to accomplish translation from animal models to humans, and improve the design of clinical trials of anti-aging therapies," Moffitt said. "It's vital that geroscience advances be delivered to everyone, not just the well-to-do, because individuals who experience low education, low incomes, adverse early-life experiences, and prejudice are the people who age fastest and die youngest." Social factors associated with poor aging outcomes "Social hallmarks of aging" can be strongly predictive of age-related health outcomes - in many cases, even more so than biological factors, said USC University Professor and AARP Chair in Gerontology Eileen Crimmins. While the aging field commonly discusses the biological hallmarks of aging, we don't tend to include the social and behavioral factors that lead to premature aging. Crimmins has called the main five factors below "the Social Hallmarks of aging" and poses that these should not be ignored in any sample of humans and the concepts should be incorporated where possible into non-human studies. Crimmins examined data that was collected in 2016 from the Health and Retirement Study, a large, nationally representative study of Americans over the age of 56 that incorporates both surveys regarding social factors and biological measurements, including a blood sample for genetic analysis. For the study, she focused the five social hallmarks for poor health outcomes: low lifetime socioeconomic status, including lower levels of education adversity in childhood and adulthood, including trauma and other hardships being a member of a minority group adverse health behaviors, including smoking, obesity and problem drinking adverse psychological states, such as depression, negative psychological outlook and chronic stress The presence of these five factors were strongly associated with older adults having difficulty with activities of daily living, experiencing problems with cognition, and multimorbidity (having five or more diseases). Even when controlling for biological measurements - including blood pressure, genetic risk factors, mitochondrial DNA copy number and more - the social differences, as well as demographic factors such as age and gender, explained most of the differences in aging outcomes between study subjects, she said. However, biological and social factors aren't completely independent from one another, Crimmins added, which is why she advocates for further incorporation of social and behavioral factors in aging biology research. "Variability in human aging is strongly related to the social determinants of aging; and it remains so when extensive biology is introduced as mediating factors. This means that the social variability in the aging process is only partly explained by the biological measures researchers currently use," she said. "Our hypothesis is that if we could fully capture the basic biological mechanisms of aging, they would even more strongly explain the social variability in the process of aging, as social factors need to 'get under the skin' through biology." Understanding stress and stress resilience Elissa Epel, professor and vice chair in the Department of Psychiatry and Behavioral Sciences at UC San Francisco, detailed how research on stress and resilience needs to incorporate psychosocial factors in order to understand how different kinds of stress affect aging. Not all types of stress are equal and in fact some are salutary. The social hallmarks of aging can shape the rate of aging in part through toxic stress responses, she said. While acute responses to minor or moderate stressors, including infection or injury, is critical to survival, chronic exposure to high amounts of stress--including long-term psychological stressors such as abuse--can prove toxic and result in poor health outcomes. "Brief, intermittent, low-dose stressors can lead to positive biological responses, improving resistance to damage, which is called hormesis," Epel explained. For example, physiological hormetic stressors include short term exposure to cold, heat, exercise, or hypoxia. Hormetic stress turns on mechanisms of cell repair and rejuvenation. "In contrast, a high dose of a chronic exposure can override these mechanisms, resulting in damage or death," she added. Thus, toxic stress can accelerate biological aging processes, whereas hormetic stress can slow aging. However, the types, timing, and frequency of hormetic stress need to be better delineated in order to be useful to human aging research and interventions, Epel said. "Stress resilience, an umbrella term including hormetic stress, can be measured across cellular, physiological, and psychosocial functioning," she said. "Developing a deeper understanding of stress resilience will lead to more targeted innovative interventions." Stress resilience can also include social interventions that protect from the malleable social hallmarks of aging, including safe neighborhoods to reduce trauma and violence, and social support programs to combat loneliness and depression. Geroscience is now more important than ever, both to our aging global demography but also to the health challenges we face going forward, and stress resilience is an especially important topic at the moment, Epel added. "In our new era, we have dramatically increasing temperature extremes, wildfires and small particle pollution, and new zoonotic viruses to contend with intermittently," she said. "Reducing social disparities, improving stress resilience and bolstering immune function have become critical public health goals." In sum, the three papers together point to a promising decade ahead for aging research. Humans, as complex social mammals, age together in response to social conditions and behavioral factors that are partly malleable. Epel explains "As we discover and test biological processes of aging that we can manipulate, we can do this in tandem with capitalizing on the natural levers of healthy aging that are powerful, interactive, and cannot be ignored. In this way, the fountain of youth becomes more attainable." ¬† Up to 10 portions of fruit and vegetables a day may prevent 7.8 million premature deaths Imperial College London, February 22, 2021 A fruit and vegetable intake above five-a-day shows major benefit in reducing the chance of heart attack, stroke, cancer and early death. This is the finding of new research, led by scientists from Imperial College London, which analysed 95 studies on fruit and vegetable intake. The team found that although even the recommended five portions of fruit and vegetables a day reduced disease risk, the greatest benefit came from eating 800g a day (roughly equivalent to ten portions - one portion of fruit or vegetables if defined as 80g). The study, which was a meta-analysis of all available research in populations worldwide, included up to 2 million people, and assessed up to 43,000 cases of heart disease, 47,000 cases of stroke, 81,000 cases of cardiovascular disease, 112,000 cancer cases and 94,000 deaths. In the research, which is published in the International Journal of Epidemiology, the team estimate approximately 7.8 million premature deaths worldwide could be potentially prevented every year if people ate 10 portions, or 800 g, of fruit and vegetables a day. The team also analysed which types of fruit and vegetables provided the greatest protection against disease. Dr Dagfinn Aune, lead author of the research from the School of Public Health at Imperial explained: "We wanted to investigate how much fruit and vegetables you need to eat to gain the maximum protection against disease, and premature death. Our results suggest that although five portions of fruit and vegetables is good, ten a day is even better." The results revealed that even a daily intake of 200g was associated with a 16 per cent reduced risk of heart disease, an 18 per cent reduced risk of stroke, and a 13 per cent reduced risk of cardiovascular disease. This amount, which is equivalent to two and a half portions, was also associated with 4 per cent reduced risk in cancer risk, and 15 per cent reduction in the risk of premature death. Further benefits were observed with higher intakes. Eating up to 800g fruit and vegetables a day - or 10 portions - was associated with a 24 per cent reduced risk of heart disease, a 33 per cent reduced risk of stroke, a 28 per cent reduced risk of cardiovascular disease, a 13 per cent reduced risk of total cancer, and a 31 per cent reduction in dying prematurely. This risk was calculated in comparison to not eating any fruit and vegetables. The team were not able to investigate intakes greater than 800 g a day, as this was the high end of the range across studies. An 80g portion of fruit and vegetables equals approximately one small banana, apple, pear or large mandarin. Three heaped tablespoons of cooked vegetables such as spinach, peas, broccoli or cauliflower count as a portion. The researchers also examined the types of fruit and vegetables that may reduce the risk of specific diseases. They found the following fruits and vegetables may help prevent heart disease, stroke, cardiovascular disease, and early death: apples and pears, citrus fruits, salads and green leafy vegetables such as spinach, lettuce and chicory, and cruciferous vegetables such as broccoli, cabbage and cauliflower. They also found the following may reduce cancer risk: green vegetables, such as spinach or green beans, yellow vegetables, such as peppers and carrots, and cruciferous vegetables. Similar associations were observed for raw and cooked vegetables in relation to early death, however, additional studies are needed on specific types of fruits and vegetables and preparation methods. The team say the number of studies was more limited for these analyses, and the possibility that other specific fruits and vegetables may also reduce risk cannot be excluded. Dr Aune said that several potential mechanisms could explain why fruit and vegetables have such profound health benefits: "Fruit and vegetables have been shown to reduce cholesterol levels, blood pressure, and to boost the health of our blood vessels and immune system. This may be due to the complex network of nutrients they hold. For instance they contain many antioxidants, which may reduce DNA damage, and lead to a reduction in cancer risk." He added that compounds called glucosinolates in cruciferous vegetables, such as broccoli, activate enzymes that may help prevent cancer. Furthermore fruit and vegetables may also have a beneficial effect on the naturally-occurring bacteria in our gut. The vast array of beneficial compounds cannot be easily replicated in a pill, he said: "Most likely it is the whole package of beneficial nutrients you obtain by eating fruits and vegetables that is crucial is health. This is why it is important to eat whole plant foods to get the benefit, instead of taking antioxidant or vitamin supplements (which have not been shown to reduce disease risk)." In the analysis, the team took into account other factors, such as a person's weight, smoking, physical activity levels, and overall diet, but still found that fruit and vegetables were beneficial. Dr Aune added: "We need further research into the effects of specific types of fruits and vegetables and preparation methods of fruit and vegetables. We also need more research on the relationship between fruit and vegetable intake with causes of death other than cancer and cardiovascular disease. However, it is clear from this work that a high intake of fruit and vegetables hold tremendous healthbenefits, and we should try to increase their intake in our diet." ¬† Alpha-lipoic acid an effective antioxidant for healthy adult dogs Hills Pet Nutrition Research, February 19, 2021 According to news reporting originating from the Hill‚Äôs Pet Nutrition research stated, ‚ÄúThis study was designed to determine the effect of alpha-lipoic acid on the glutathione status in healthy adult dogs.‚ÄĚ Our news reporters obtained a quote from the research from Hill‚Äôs Pet Nutrition: ‚ÄúFollowing a 15 month baseline period during which dogs were fed a food containing no alpha-lipoic acid, dogs were randomly allocated into four groups. Groups were then fed a nutritionally complete and balanced food with either 0, 75, 150 or 300 ppm of alpha-lipoic acid added for 6 months. Evaluations included physical examination, body weight, food intake, hematology, serum biochemistry profile and measurements of glutathione in plasma and erythrocyte lysates. Throughout, blood parameters remained within reference ranges, dogs were healthy and body weight did not change significantly. A significant increase of 0.05 ng/mL of total glutathione in red blood cell (RBC) lysate for each 1 mg/kg bodyweight/day increase in a-LA intake was observed. In addition, a significant increase was observed for GSH, GSSG and total glutathione in RBC lysate at Month 6.‚ÄĚ According to the news editors, the research concluded: ‚ÄúWe conclude that alpha-lipoic acid, as part of a complete and balanced food, was associated with increasing glutathione activity in healthy adult dogs.‚ÄĚ
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