![The Discovery Files show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/014/590/small/the-discovery-files.jpg)
Summary: Obesity appears to impair normal muscle function in rats, an observation that could have significant implications for humans, according to Penn State researchers.
Summary: Obesity appears to impair normal muscle function in rats, an observation that could have significant implications for humans, according to Penn State researchers.