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 ...

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

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 ...

Q: I occasionally feel my heart fluttering or skipping a beat. It usually lasts only a few seconds, but sometimes it seems to ...

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 ...