Dieters have higher metabolism, feel less hungry
Preliminary data from Children’s Hospital Boston and Brigham and Women’s Hospital, published in the November 24 JAMA, suggest that weight-loss diets may be more effective when dieters seek to reduce glycemic load – the amount their blood glucose rises after a meal – rather than limit fat intake. The findings indicate that a low-glycemic diet may overcome the body’s natural tendency to slow metabolism and turn on hunger cues to "make up" the missing calories.
The low-glycemic-load (low-GL) diet reduces carbohydrates that are rapidly digested and that raise blood sugar and insulin to high levels -- such as white bread, refined breakfast cereals, and concentrated sugars. Instead, it emphasizes carbohydrates that release sugar more slowly, including whole grains, most fruits, vegetables, nuts, and legumes. "Our data suggest that the type of calories consumed – independent of the amount – can alter metabolic rate," says Dr. David Ludwig, director of the Optimal Weight for Life (OWL) obesity program at Children’s Hospital Boston and the study’s senior investigator. "That hasn’t been shown before. The idea that ’a calorie is a calorie is a calorie’ doesn’t really explain why conventional weight-loss diets usually don’t work for more than a few months."
Bess Andrews | EurekAlert!
World first: Massive thrombosis removed during early pregnancy
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Physicists have developed a new technique that uses electrical voltages to control the electron spin on a chip. The newly-developed method provides protection from spin decay, meaning that the contained information can be maintained and transmitted over comparatively large distances, as has been demonstrated by a team from the University of Basel’s Department of Physics and the Swiss Nanoscience Institute. The results have been published in Physical Review X.
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What is the mass of a proton? Scientists from Germany and Japan successfully did an important step towards the most exact knowledge of this fundamental constant. By means of precision measurements on a single proton, they could improve the precision by a factor of three and also correct the existing value.
To determine the mass of a single proton still more accurate – a group of physicists led by Klaus Blaum and Sven Sturm of the Max Planck Institute for Nuclear...
The research team of Prof. Dr. Oliver Einsle at the University of Freiburg's Institute of Biochemistry has long been exploring the functioning of nitrogenase....
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Physics supports biology: Researchers from PTB have developed a model system to investigate friction phenomena with atomic precision
Friction: what you want from car brakes, otherwise rather a nuisance. In any case, it is useful to know as precisely as possible how friction phenomena arise –...
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