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 ...

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 ...

Signs of an irregular heartbeat: A rapid or slow heartbeat can be dangerous for our health. Let us explain how dangerous it can be if the heart stops beating. What is arrhythmia? Emergency Symptoms Of ...