Micro-fluctuations in the time between heartbeats are proving a helpful indicator of mental health, stress levels, exercise ...

A new Mayo Clinic study finds that many heart attacks in people under 65 - especially women - are caused by factors other than clogged arteries, challenging long-standing assumptions about how heart ...

American Heart Association researchers are forecasting an increase in heart disease rates for women by 2050. Almost 60% will have high blood pressure, and more than 60% will be obese. The rates of all ...

COLUMBUS, Ohio – For decades, doctors and researchers have puzzled over a basic heart rhythm mystery: Why do women tend to have faster heartbeats while men are more likely to develop irregular rhythms ...

Your resting heart rate can tell you about your fitness and stress.