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 ...

If you’re new to the world of POTS, whether that’s because of its newfound connections with Long COVID-19, or its recent momentum on social media, you’ve probably come across the long list of symptoms ...

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

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Your heartbeat can provide valuable clues to help you stay well. Here’s what top cardiologists want you to know about it.

Pregnancy is often marked by unexpected changes in your body that can catch you off guard. You may expect some of these changes, but others can cause worry. Feeling your heart beat faster, even when ...