Engineers at the University of Wisconsin-Madison have developed a stomach implant device that could reduce food intake in people with obesity by producing electric pulses "in response to stomach movements, and transmits them through the vagus nerve to the brain as an artificial fullness signal," said professor Xudong Wang. Published in the journal Nature Communications, the study showed that rats implanted with the device weighed 38% less after 100 days, compared with control rats.
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