Average heart rates vary widely. During stress, the body releases hormones that trigger a “fight or flight” response. A person’s heart rate may increase and exceed 100 beats per minute (bpm).

Most fitness trackers offer a wealth of heart-rate data. Here’s how to make sense of it. By Talya Minsberg If you wear a smartwatch or fitness tracker, you likely already have access to a steady ...

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 ...

Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...

Polar is a leading brand in consumer heart rate monitors. The new, high-end chest strap monitor, the Polar H10 ($89.95 on Amazon), has just about all of the bells and whistles you could want in a ...

Are chest straps really that necessary any more? For many the answer is “less than ever” thanks to improved accuracy of watch HR tech, but the Garmin HRM 600 is here to prove there’s life in the HR ...