Atypical chest pain usually feels like a burning or stabbing pain in your chest. Your heart isn’t always responsible. Lung conditions, acid reflux, or cartilage inflammation can also cause chest pain.

It can happen anywhere—at a sunny café sipping your favorite drink, on your morning walk, winding down from a long day at work, or enjoying a night out with friends. Out of the blue, you notice ...

Add Yahoo as a preferred source to see more of our stories on Google. The sensation of chest pain can immediately send your mind racing to: "Oh no, am I having a heart attack?" And, it's true that ...