Study: Nearly Half of Heart Attacks Don't Have Symptoms

Study: Nearly Half of Heart Attacks Don't Have Symptoms Silent heart attacks, which have no symptoms, make up 45 percent of all heart attacks and triple the odds of dying from heart disease, says a new study published in the American Heart Association's journal Circulation. What makes a heart attack silent? READ NOW  Advertisement READ THESE NEXT How Would You Know If It's a Heart Attack? MORE The Cardiac Symptoms Every Woman Needs to Know MORE The Surprising Health Benefits of Kinky Sex MORE AN ABOUT.COM BRAND You are receiving this newsletter because you subscribed to the Verywell Today newsletter. If you wish to unsubscribe, please click here 1500 Broadway, 6th Floor, New York, NY, 10036 © 2016 Verywell.com - All rights reserved. Privacy Policy.