You've probably seen the ads about how toning shoes can give you more shapely legs and a "better butt." But some manufacturers don't stop there, suggesting their products also ease stress on joints and improve circulation. Truth or fiction?
Believe it or not, sweating plays a pretty important role in keeping us cool and healthy. You perspire when your body’s temperature rises and also in response to emotional stimuli such as anxiety, fear, or sexual arousal. Here's more.