A new free online tool that calculates people's biological heart age and determines their cardiovascular disease risk has ...

The Black Sabbath rocker, 76, was having his heart rate monitored 15 times a day just weeks before his tragic death as he took to the stage for the final time.

From physical fitness to stress management, lifestyle factors may help improve heart rate variability, which measures the fluctuations in time between heartbeats.

This Forever No. 1 column looks at the late Connie Francis' "My Heart Has a Mind of Its Own," the most country of her three Hot 100 No. 1s.

How low can a human resting heart rate go? A low resting heart rate is often a sign of good cardiovascular health, but just how low can it drop?

Heart Rate Variability (HRV) means the intervals between your heartbeats, and could tell you a lot about your longevity and cardiovascular fitness, according to a psychiatrist.

Trainers explain what your heart rate should be when you walk versus run, and how to lower your heart rate when you run so workouts become easier.

The Wahoo Trackr Heart Rate is a rechargeable chest strap that's easy to use and offers accurate readings, but has few extra features.

Cardiovascular exercise helps strengthen your heart, allowing it to pump blood more efficiently and improving blood flow to all parts of your body.

What is a resting heart rate? Put simply, doctors define a resting heart rate as being your number of heart beats per minute while sitting still and relaxing.