Scientists identified a heartbeat-like rhythmic pulse trapped within the Earth — and say it has profound implications for a ...

Doctors say the heat can strain a person's heart and put them at risk of a heart attack or an irregular heartbeat, also known as an arrhythmia. The heat can also exacerbate heart failure.

The more you drink, the faster your heart beats. A 2017 study linked binge drinking and long-term heavy alcohol use with different types of cardiac arrhythmia, especially sinus tachycardia.

Many things can make your heart skip a beat — the words to a song, a case of the nerves, or a near car accident — but these temporary palpitations aren't usually cause for concern. But much more ...

Not every racing heart is anxiety, and not every panic is in your head. Learn how to decode your body's signals and reclaim ...