Heart rate is one of the most powerful—and underestimated—indicators of your cardiovascular health. Understanding how 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 ...

The human heart, a fist-sized muscle, tirelessly beats billions of times throughout life, powering every cell by delivering oxygen and removing waste. Its rate varies significantly from birth to old ...

WARMINSTER, Pennsylvania (WPVI) -- You've probably never heard of PVCs, but chances are you've had them if you felt your heart skip a beat. Cardiac PVCs might be benign, but can sometimes pose a ...

Tom Brownlee does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Tachycardia is the medical term for a heart rate over 100 beats per minute (BPM). It can be a sign of emotional distress or anxiety, anemia (low levels of iron in the blood), infections, dehydration, ...