The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is ...

Learn about the early warning signs of a heart attack that can appear weeks to a month before it occurs. Recognizing symptoms like chest discomfort, unusual fatigue, shortness of breath, palpitations, ...

When your heart rate is lower during a run, it feels easier and you’ll be able to run for longer while breathing properly in ...

A chest pain scare, a scary number on a blood test, or hearing about someone our age having a heart attack. That’s when it ...

Death rates from high blood pressure, arrhythmias and heart failure have risen sharply since 1970, new research shows.