Games with metabolism...

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1. For lean mice – and possibly for lean humans, the authors of a new study predict – the anti-aging strategy known as caloric restriction may be a pointless, frustrating and even dangerous exercise. read more...
2. Calorie restriction, a diet that is low in calories and high in nutrition, may not be as effective at extending life in people as it is in rodents, according to scientists at Washington University School of Medicine in St. Louis. read more...
3. If you've tried to lose weight by cutting carbs, you know how rewarding it can be to drop pounds quickly in the first couple of weeks. But did you also notice a certain brain drain going on? read more...
4. The theory that fast-living animals die young, known as the rate-of-living theory, was first proposed in the 1920s. The premise is simple: Aging is the inevitable byproduct of energy expenditure. The faster you expend energy, the faster you age, and the sooner you die. It remained a prominent theory of aging until recently, when comparisons across broad animal groups cast doubt on it. read more...

кое что о витамине D

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0. витамин D...
1. Is it better to get vitamin D from the sun or from supplements? If you’re a dermatologist, the answer is easy: supplements. read more...
2. A new study has linked vitamin D deficiency with an increased risk of death, especially from cardiovascular disease, in the latest evidence of the important role the vitamin plays in human health. read more...
3. Vitamin D may extend the lives of people with colon and rectal cancer, according to a study published on Wednesday suggesting another health benefit from the so-called sunshine vitamin. read more...
4. An article published online on November 25, 2008 in the Journal of Clinical Endocrinology & Metabolism reported the discovery of Kate Ward, PhD, of the University of Manchester in England and her associates of a link between higher levels of vitamin D and greater strength in adolescent girls. read more...
5. As we age, we lose the capacity to activate vitamin D in the skin. read more...
6. Healthy levels of vitamin D may help to slow the ageing process and protect against age-related diseases, a team of British scientists has found. The claim follows a study of more than 2,000 women which found that those with the lowest vitamin D levels showed the greatest signs of biological ageing. read more...
7. In the March 23, 2009 issue of Archives of Internal Medicine, authors from the University of Colorado School of Medicine, Johns Hopkins University and Harvard report a decline in levels of vitamin D among Americans over a ten year period. read more...
8. A daily dose of vitamin D supplements may cut the chance of bone fractures in people 65 and older - provided the dose is high enough. read more...
9. Deficient vitamin D levels prevalent in ICU patients read more...
10. Vitamin D may slow asthma progression read more...
11. Vitamin D and curcumin could help rid the brain of Alzheimer's plaques read more...
12. Defending Yourself Against Virus Infections read more...
13. Vitamin D has long been essential to primate immune function read more...
14. Vitamin D Deficiency Linked to Neurological Diseases; Also Raises Risk of Asthma Attacks, and More read more...
15. 5 Factors That Affect Vitamin D Status read more...