Exercise regulates body weight apparently by influencing levels of hormones in the gut released before and after meals, according to a report by Medical News Today.
The study, presented at the annual meeting of the Society for the Study of Ingestive Behavior, builds on previous findings that vigorous exercise increases sensitivity to leptin, a hormone secreted by fat cells that limits food intake.
In the new study, researchers at Johns Hopkins University found that rats with a lot of running experience had higher levels of amylin in their blood after eating and showed a faster rate of reduction of the hormone ghrelin, an appetite stimulator.
Read the Medical News Today report on weight loss.
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