http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Activating an enzyme known to play a role in the anti-aging benefits of calorie restriction delays the loss of brain cells and preserves cognitive function in mice, according to a study published in the May 22 issue of The Journal of Neuroscience. The findings could one day guide researchers to discover drug alternatives that slow the progress of age-associated impairments in the brain. http://medicalxpress.com/news/2013-05-caloric-intake-nerve-cell-loss.html Neuroscience Tue, 21 May 2013 17:00:09 EST news288374042 At TEDxSydney 2013 the Professor of Genetics at Harvard Medical School shares a new concept about why we age and how it should be possible to develop medicines to reverse it. http://medicalxpress.com/news/2013-04-tablet-youth.html Health Tue, 23 Apr 2013 08:41:06 EST news285925231 Drugs that combat ageing may be available within five years, following landmark work led by an Australian researcher. The work, published in the March 8 issue of Science, finally proves that a single anti-ageing enzyme in the body can be targeted, with the potential to prevent age-related diseases and extend lifespans. http://medicalxpress.com/news/2013-03-anti-ageing-drug-breakthrough.html Medical research Fri, 08 Mar 2013 08:10:59 EST news281952653 In the early 1990s, MIT professor Leonard Guarente discovered that sirtuins, a class of proteins found in nearly all animals, protect against the effects of aging in yeast; similar effects have since been seen in many other organisms. In 2003, David Sinclair, who had been a postdoc in Guarente's lab, found that resveratrol, a compound found in grapes and red wine, can also counteract the effects of aging. Since then, many scientists have tried to tease out the exact relationship among sirtuins, resveratrol and aging. http://medicalxpress.com/news/2013-03-mit-biologist-resveratrol.html Medical research Thu, 07 Mar 2013 16:47:20 EST news281897232 Johns Hopkins research on obese mice finds that the impact of dieting and losing weight benefits the heart health of the young, but not the older ones http://medicalxpress.com/news/2013-03-weight-sooner-chance-reverse-heart.html Cardiology Mon, 04 Mar 2013 09:48:17 EST news281612841 (HealthDay)—In a mouse model, calorie-restricted weight loss reverses the high-fat diet-induced ghrelin resistance that may contribute to rebound weight gain, according to research published online Jan. 10 in Endocrinology. http://medicalxpress.com/news/2013-01-calorie-restricted-weight-loss-ghrelin-sensitivity.html Health Mon, 21 Jan 2013 13:10:01 EST news277994647 A study by UT Southwestern Medical Center researchers finds that a starvation hormone markedly extends life span in mice without the need for calorie restriction. http://medicalxpress.com/news/2012-10-starvation-hormone-markedly-mouse-life.html Medical research Tue, 16 Oct 2012 13:14:34 EST news269612062 Adequate sleep is an important part of a weight loss plan and should be added to the recommended mix of diet and exercise, states a commentary in CMAJ (Canadian Medical Association Journal). http://medicalxpress.com/news/2012-09-adequate-weight-loss.html Overweight and Obesity Mon, 17 Sep 2012 12:00:03 EST news267097003 Ghrelin is a hormone released by the lining of the stomach that promotes feeding behavior. Decreasing ghrelin levels could potentially help combat obesity—in fact, a vaccine that lowers ghrelin levels in order to reduce appetite is being studied as a treatment for obesity. http://medicalxpress.com/news/2012-09-ghrelinreducing-appetite-stress.html Psychology & Psychiatry Thu, 13 Sep 2012 13:20:02 EST news266760198 Scientists have found that calorie restriction—a diet comprised of approximately 30 percent fewer calories but with the same nutrients of a standard diet—does not extend years of life or reduce age-related deaths in a 23-year study of rhesus monkeys. However, calorie restriction did extend certain aspects of health. The research, conducted by scientists at the National Institute on Aging (NIA) at the National Institutes of Health, is reported in the August 29, 2012 online issue of Nature. http://medicalxpress.com/news/2012-08-low-calorie-diet-prolong-life.html Medical research Wed, 29 Aug 2012 13:03:54 EST news265464228 (Medical Xpress) -- People who restrict their caloric intake in an effort to live longer have hearts that function more like those in people who are 20 years younger. http://medicalxpress.com/news/2012-06-calorie-restricted-diet-heart-young.html Medical research Wed, 06 Jun 2012 08:49:17 EST news258191322 Humans are built to hunger for fat, packing it on during times of feast and burning it during periods of famine. But when deluged by foods rich in fat and sugar, the modern waistline often far exceeds the need to store energy for lean times, and the result has been an epidemic of diabetes, heart disease and other obesity-related problems. http://medicalxpress.com/news/2012-04-feast-famine-metabolic-diabetes-treatment.html Medical research Wed, 25 Apr 2012 09:19:06 EST news254564308 (AP) -- Federal regulators are ordering several companies to stop selling an unproven weight loss remedy that uses protein from the human placenta. http://medicalxpress.com/news/2011-12-feds-homeopathic-weight-loss-remedy.html Medications Tue, 06 Dec 2011 13:10:29 EST news242399412 When obese men take a relatively small dose of resveratrol in purified form every day for a month, their metabolisms change for the better. In fact, the effects appear to be as good for us as severe calorie restriction. Resveratrol is a natural compound best known as an ingredient in red wine. http://medicalxpress.com/news/2011-11-clinical-trial-red-wine-ingredient.html Medical research Tue, 01 Nov 2011 12:44:47 EST news239370278 It is well known that eating disorders are common among teens and college students. Heavy alcohol consumption is another well-known unhealthy habit of this age group. A new study from the University of Missouri shows that when college students combine these two unhealthy habits, their long-term health may be affected. "Drunkorexia" is a new term coined by the media to describe the combination of disordered eating and heavy alcohol consumption. http://medicalxpress.com/news/2011-10-drunkorexia-recipe-disaster.html Health Mon, 17 Oct 2011 17:46:54 EST news238092399 (Medical Xpress) -- Researchers have reported that obese male mice treated with a synthetic compound called SRT1720 were healthier and lived longer compared to non-treated obese mice. The experimental compound was found to improve the function of the liver, pancreas and heart in mice. http://medicalxpress.com/news/2011-08-compound-health-lifespan-obese-mice.html Medical research Mon, 22 Aug 2011 08:40:01 EST news233220289 A Yale University-led research team has discovered how reduced expression of a particular gene protects against obesity and type 2 diabetes, possibly prolonging lifespan by mimicking the effects of calorie restriction. The study appears in the August 3 issue of Cell Metabolism. http://medicalxpress.com/news/2011-08-mimicking-calorie-restriction-obesity-diabetes.html Medical research Wed, 03 Aug 2011 14:20:01 EST news231598858 (Medical Xpress) -- Nutrition and longevity researchers have found more evidence that eating less may help people live longer. http://medicalxpress.com/news/2011-05-restricting-calories-lowers-body-temperature.html Medical research Wed, 11 May 2011 05:28:49 EST news224310498