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 ...

You know the feeling. When you first see your crush and your head starts spinning, your palms get sweaty, and your heart begins beating a mile a minute. Is this love? Or is it … an arrhythmia? The ...

A fast heartbeat of over 100 beats per minute can happen for various reasons, including drug reactions, alcohol, stress, and some health conditions. If the cause is unclear, the heart may seem to beat ...