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 ...

Whether brought on by stress, physical activity, or an extra cup of joe in the morning, most of us have all felt our heart rate quicken at one time or another. However, a lower resting heart rate ...

If you're a lifelong powerlifter or bodybuilder, there's a good chance you're more concerned about growing your glutes, carving your core, or building your biceps than boosting your VO2 max. But for ...

When you work out, your heart beats faster, especially if you are exercising for an extended period of time or at a higher intensity. This helps your heart pump blood to your muscles so they can do ...

When it comes to heart health, most doctors will tell you the more information, the better. The good news is that the Apple Watch you have strapped to your wrist has several tools to help you keep ...

*Most of us understand the importance of regular blood pressure tests, and there’s a quick 30-second test you can perform at home to help assess your heart health and potentially identify health ...

That little number on your fitness tracker might be more important than you realize. Your resting heart rate isn’t just some random vital sign. It’s essentially a window into how efficiently your ...

Whoop is a top fitness and health tracker – and one of my favorite devices at Wareable. But if you want to check your heart rate, it can be a little hard to find. I’ve been using Whoop for years – so ...