It's true that our metabolism works differently from men's, mainly due to lower levels of testosterone, that key hormone in muscle development. But don't let that discourage you! With the right ...

Add Yahoo as a preferred source to see more of our stories on Google. The 1980s ushered in a wave of fitness trends, from step aerobics and home workout videos to spandex and leg warmers. It was also ...

New research describes how nerve cells and muscle cells communicate through electrical signals during development -- a phenomenon known as bioelectricity. The communication, which takes place via ...