A good heart rate for exercise is 50 to 70 percent of your maximum BPM—aim for 30 to 45 minutes three to five times a week. “In general, when people are looking to do a workout with heart health in ...

Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness watches and smart rings. When you purchase through links on our site, we may earn ...

Using a chest strap heart rate monitor can give you accurate, actionable insights to help improve your running. What is the best chest strap heart-rate monitor overall? The best chest strap heart-rate ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Exercising during pregnancy is generally safe and can be beneficial, but it's important to listen to your body. Heart rate naturally increases during pregnancy, so don't stress about exact numbers ...

The “zone zero” fitness trend promotes very low-intensity movement, like walking and housework. Here’s what it can — and can’t — do for you. By Danielle Friedman When you’re exhausted, burned out or ...