Weight-loss surgery, which changes the anatomy of the gastrointestinal tract, has turned out to be a powerful treatment for type 2 diabetes and is now recommended by more than 40 different medical societies. Researchers have begun to identify the mechanisms through which an operation can improve blood glucose control. Notes Scientific American Magazine Subscription In Pakistan
One common operation, called a Roux-en-Y gastric bypass, shortens the length of the upper intestine in which food mixes with digestive juices. Not only does this reduce absorbed calories, it limits the stimulation of intestinal cells by passing nutrients.
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