Your lower esophageal sphincter (LES) is a muscular ring that connects your esophagus with your stomach. It relaxes to let food pass through but otherwise stays closed to prevent stomach acid from ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

If I told you there's one move that will improve cardiovascular fitness, counts as a full-body strength workout and requires no equipment at all, would you be sold? Well, it exists. Meet the mountain ...