You probably hear a lot about acid reflux, or perhaps you suffer from it yourself. But what exactly is acid reflux? Well, right at your stomach opening is a valve called the lower esophageal sphincter (LES). Normally, the LES opens and closes as it's supposed to, but sometimes it messes up. When that happens, your stomach acid can occasionally escape and flow backwards — that is, up into your esophagus — and if you’ve ever experienced reflux, you know you’re left with some pretty uncomfortable feelings. Not only is it […]