Add Yahoo as a preferred source to see more of our stories on Google. Pain or tightness in your chest can be not only uncomfortable, but also unsettling. Especially when it comes seemingly out of ...

Have you been experiencing sharp pain on the right side of your chest? While it may not always be indicative of a heart attack, doctors say there can be equally worrying reasons, which need to be ...

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 ...

The woman, a doctor, was fit and healthy, but even a small amount of exertion left her out of breath. By Lisa Sanders, M.D. It had been a tough hike, even for the experienced 74-year-old hiker. She ...

Here's a sobering fact: Every 40 seconds, someone in the US has a heart attack, and heart disease still kills more Americans than all cancers and accidents combined. It’s the number one killer of both ...