Acid reflux, also known as gastroesophageal reflux disease (GERD), is a condition that affects millions of people worldwide. It occurs when stomach acid flows back into the esophagus, causing ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Many people use the two terms interchangeably, but heartburn and acid reflux are not the same thing. In ...

So you're feeling that uncomfortable burning sensation in your chest. Your mouth tastes bitter or sour. The back of your throat is burning. While the occasional heartburn episode usually isn't an ...