Signs of an irregular heartbeat: A rapid or slow heartbeat can be dangerous for our health. Let us explain how dangerous 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 ...

Add Yahoo as a preferred source to see more of our stories on Google. You know the feeling. When you first see your crush and your head starts spinning, your palms ...

Have you ever experienced a sudden increase in heart rate while sitting, lying in bed or even during a calm moment at work? The feeling can be unsettling as it often comes without warning or a clear ...

Celine Dion sings that "my heart will go on," but how many times does it actually beat in a day or even a lifetime? When you purchase through links on our site, we may earn an affiliate commission.