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 ...

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Scar tissue in the heart was associated with abnormal heart rhythms among healthy, long-time male endurance athletes age 50 or older, potentially increasing their risk of sudden cardiac death, ...

Scar tissue in the heart was associated with abnormal heart rhythms among healthy, long-time male endurance athletes aged 50 or older, potentially increasing their risk of sudden cardiac death, ...

Up to 2 million people in the U.S. experience rapid-fire heartbeats from time to time, and many end up in the hospital for treatment. But an investigational nasal spray may help folks with paroxysmal ...

Share on Pinterest Researchers say a nasal spray could become a new treatment for rapid heartbeats. ProfessionalStudioImages/Getty Images About 1 in 300 people in the United States have a racing ...

Most of us have had that unsettling sensation when our heart seems to flutter or "skip" a beat — but when heart palpitations start happening more frequently, you may wonder if it’s something to get ...