Gut microbes may be behind weight loss after gastric bypass
Mice slim down after receiving bacteria transplanted from rodents that had the surgery
By Tina Hesman Saey, 12:00 PM March 27, 2013
Intestinal bacteria may be responsible for at least part of the fat-shedding effects of a popular weight-loss surgery, a new study in mice suggests. Those naturally occurring bacteria not only trim the tummies of mice that have had the surgery but, when transplanted into mice that have not had surgery, cause them to lose weight as well.
Roux-en-Y, the most common technique for gastric bypass, diverts food around most of the stomach and upper small intestine. Some patients go on to lose larg...
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