Too much alcohol causes damage to your heart, even if you are young and fit, say the authors of a new study that adds yet another reason to keep drinking to a minimum. Arrhythmia, or an irregular ...

Your heartbeat can provide valuable clues to help you stay well. Here’s what top cardiologists want you to know about it.

Your heart beats about 100,000 times a day. Sometimes it beats faster and sometimes more slowly, depending on what you're doing and whether, for instance, you're all worked up about something. So ...