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New research explores the relationship between so called "thin-ideal" images in the media and body-image issues among young women. Female undergraduates who viewed advertisements displaying ultra-thin women exhibited increases in body dissatisfaction, negative mood, levels of depression and lowered self-esteem. These findings were particularly true for women who have negative views of their current body image and believe themselves to be overweight........

A moderate exercise program may reduce the occurence rate of colds. A study reported in the recent issue of The American Journal of Medicine, led by scientists at Fred Hutchinson Cancer Research Center, observed that otherwise sedentary women who engaged in moderate exercise had fewer colds over a one year period than a control group........

OREXIGENTM Therapeutics, Inc., a privately held clinical-stage neuroscience company developing novel strategic approaches to the treatment of obesity, today announced that ExcaliaTM, a combination of two centrally-acting medications intended to provide and sustain clinically important weight loss, demonstrated significant weight loss in a six month, double-blind, phase IIa clinical study. The magnitude of weight reduction exceeded that seen with placebo. The findings showed that patients completing the blinded 24-week phase lost on average 9.2% of their weight from baseline using Excalia compared to an average of 0.4% weight loss from baseline for patients using placebo. The study results further demonstrate that weight loss continued through an additional 24 week open-label period achieving an average weight loss of 12% from baseline by 48 weeks. These top line phase IIa data for Excalia were presented at the annual meeting of the North American Association for the Study of Obesity (NAASO) in Boston........

For many older adults, a visit to the doctor is not complete without the bestowal of at least one prescription. What if, in addition to prescribing medications as necessary, physicians also prescribed exercise? Ann Yelmokas McDermott, PhD, a researcher in the Lipid Metabolism Laboratory at the Jean Mayer USDA Human Nutrition Research Center on Aging (USDA HNRCA) at Tufts University, and Heather Mernitz, PhD, now of the Nutrition and Cancer Biology Laboratory at the USDA HNRCA, propose using the familiar concept of a prescription to help physicians incorporate exercise recommendations into their routine practice. In the journal American Family Physician, McDermott and Mernitz provide clinicians with explicit guidelines for giving their older patients effective "exercise prescriptions"........

Scientists from the Jean Mayer USDA Human Nutrition Research Center (USDA HNRCA) at Tufts University and his colleagues have found another link among genes, heart disease and diet. The study, published in Circulation, examined apolipoprotein A5 (APOA5), a gene that codes for a protein, which in turn plays a role in the metabolism of fats in the blood. The results show that people who carry a particular variant of APOA5 may have elevated risk factors that are linked to heart disease, but only if they also consumed high amounts of omega-6 fatty acids in their diets........