• How Weight-Loss Surgery Choices Are Changing

    How Weight-Loss Surgery Choices Are Changing

    Americans now prefer less-extensive sleeve gastrectomy to traditional gastric bypass. When it comes to weight-loss surgery in the U.S., a new procedure has taken over as first choice, the latest figures show. Sleeve gastrectomy is now more popular than gastric bypass surgery, which makes deeper changes in the digestive tract. In a four-year study, presented at

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  • Should excess muscle be included in the definition of obesity?

    Should excess muscle be included in the definition of obesity?

    Researchers have determined that obesity involves excessive body weight, including fat and muscle, for a given height and not just excess body fat as was formerly believed. The study was coordinated by Francisco B Ortega, a Ramón y Cajal researcher at the Faculty of Physical Activity and Sports Sciences at the University of Granada and

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  • Genetic switch could be key to improving metabolism

    Genetic switch could be key to improving metabolism

    Newly discovered genetic switches that increase lifespan and boost fitness in worms are also linked to increased lifespan in mammals, offering hope that drugs to flip these switches could improve human metabolic function and increase longevity. These so-called epigenetic switches, discovered by scientists at the University of California, Berkeley, and the École Polytechnique Fédérale de

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  • Calorie restriction improves HrQoL for non-obese adults

    Calorie restriction improves HrQoL for non-obese adults

    A 25 percent calorie restriction over two years by adults who were not obese was linked to better health-related quality of life (HrQoL), according to the results of a randomised clinical trial, published online by JAMA Internal Medicine. The researchers, led by Dr Corby K Martin of the Pennington Biomedical Research Center, Baton Rouge, LA,

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