Dear Doctors: I'm a 55- year-old man, and I have been active all my life. I know target heart rates are based on age and was surprised that my heart rate while running is often between 150 and 195.

Experts say your resting heart rate is one of the clearest long-term indicators of cardiovascular health, and simple ...

Your heart rate can tell you a lot about your fitness and cardiovascular health. Your heart beats consistently, day in and day out, but you may not generally pay close attention to it. You might take ...

If you're looking to have an active pregnancy, you may wonder whether you have to think about your heart rate while exercising. The good news is that you don't have to get hung up on monitoring your ...

Consistently high heart rate may signal dehydration or poor recovery. Resting heart rate indicates fitness; healthy ranges are 60–100 bpm, 40–50 for athletes. Consistently high or very low heart rates ...

Runners, cyclists and gym-goers with wearable fitness trackers are no doubt familiar with the five "heart rate" zones. Ranging from low to very high intensity, these zones are calculated as ...

Chronic kidney disease (CKD) is associated with increased cardiovascular morbidity and mortality, partly mediated by autonomic dysfunction. Heart rate recovery (HRR), particularly during the first ...

I tested them against the Apple Watch and the Polar chest strap to find out whether you can trust them for your workouts.

These days, everyone from the average Susan to the hardcore data-loving wellness enthusiast has the technology to track just about anything in the name of self-optimization. A ring wearable tells you ...

Sherri Gordon, CLC is a certified professional life coach, author, and journalist covering health and wellness, social issues, parenting, and mental health. She also has a certificate of completion ...