Chest pain isn't the only heart attack sign; discomfort in the left arm is a vital clue. This occurs because shared nerve ...

We see in movies that people place their left hand on their chest during a heart attack, but do you know why this happens?

Heart disease has been the leading cause of death in the U.S. for the past 100 years, according to the American Heart Association. Despite how common it is, there are many questions floating around ...

From your shoulders to your fingers, your arms have many moving parts: joints, bones, muscles, nerves, tendons and ligaments. Mysterious arm pain that seemingly comes out of nowhere can arise if any ...