Low vitamin E levels associated with physical decline in elderly

Researchers at Yale School of Medicine have found that a low concentration of vitamin E in the blood is linked with physical decline in older persons.

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Why fish oil is good for you

It’s good news that we are living longer, but bad news that the longer we live, the better our odds of developing late-onset Alzheimer’s disease.

 

Many Alzheimer’s researchers have long touted fish oil, by pill or diet, as an accessible and inexpensive “weapon” that may delay or prevent this debilitating disease. Now, UCLA scientists have confirmed that fish oil is indeed a deterrent against Alzheimer’s, and they have identified the reasons why.

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Lipoic acid could reduce atherosclerosis, weight gain

A new study done with mice has discovered that supplements of lipoic acid can inhibit formation of arterial lesions, lower triglycerides, and reduce blood vessel inflammation and weight gain – all key issues for addressing cardiovascular disease.

Although the results cannot be directly extrapolated beyond the laboratory, researchers report that “they strongly suggest that lipoic acid supplementation may be useful as an inexpensive but effective intervention strategy . . . reducing known risk factors for the development of atherosclerosis and other inflammatory vascular diseases in humans.”

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Zinc may reduce pneumonia risk in nursing home elderly

When elderly nursing home residents contract pneumonia, it is a blow to their already fragile health. Simin Nikbin Meydani, DVM, PhD of the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University and colleagues report that maintaining normal serum zinc concentration in the blood may help reduce the risk of pneumonia development in that population.

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Green tea boosts production of detox enzymes, rendering cancerous chemicals harmless

Concentrated chemicals derived from green tea dramatically boosted production of a group of key detoxification enzymes in people with low levels of these beneficial proteins, according to researchers at Arizona Cancer Center.

These findings, published in the August issue of Cancer Epidemiology, Biomarkers & Prevention, a journal of the American Association for Cancer Research, suggest that a green tea concentrate might help some people strengthen their metabolic defense against toxins capable of causing cancer.

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Selenium supplements may increase the risk of type 2 diabetes

Selenium, an antioxidant included in multivitamin tablets thought to have a possible protective effect against the development of type 2 diabetes, may actually increase the risk of developing the disease, an analysis by researchers at the University at Buffalo has shown.

Results of a randomized clinical trial using 200 micrograms of selenium alone showed that 55 percent more cases of type 2 diabetes developed among participants randomized to receive selenium than in those who received a placebo pill.

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Omega-3 fatty acids protect eyes against retinopathy

Increasing intake of the omega-3 fatty acids DHA and EPA, found in popular fish-oil supplements, may protect against blindness resulting from abnormal blood vessel growth in the eye, according to a study published online by the journal Nature Medicine on June 24. The study was done in mice, but a clinical trial at Children’s Hospital Boston will soon begin testing the effects of omega-3 supplementation in premature babies, who are at risk for vision loss.

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