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 ...

Medically reviewed by Paria Sanaty Zadeh, PharmD Key Takeaways Magnesium supports normal heart rhythm by regulating ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." Heartbeat monitors have been around for decades. Polar introduced the first wireless wearable ...

Irregular heartbeats, especially Atrial fibrillation (AFib), aren’t just for those with serious heart disease. Your weight, disturbed sleep, stress, and drinking habits can trigger or worsen heart ...

Defibrillators and pacemakers help the heart maintain a regular rhythm. Defibrillators deliver a shock if the heart goes into arrhythmia. Pacemakers use electrical impulses to keep the heart from ...