Here is what your resting heart rate reveals about cardiovascular health and when to see your doctor. Pulse checks and ...

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 ...

Sitting quietly at your desk, watching TV, or lying in bed at night, your heart should be taking it easy – beating steadily and calmly at somewhere between 60 and 80 beats per minute for most healthy ...

Is a Slow Heart Rate Dangerous? Just as an increased heartbeat can be problematic, a decreased heartbeat is also a dangerous sign. Let's explain the problems caused by a slow heartbeat. Can Slow Heart ...

Scientists may have discovered another way the human body tries to protect itself from cancer. New research on mice suggests that the heart's constant beating may prevent tumor growth in cardiac ...