Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness ...

Get to know the link between your effort level and your heart rate. Plus, how to use heart rate to your performance advantage ...

The Nottingham Forest and England legend experienced a serious health scare on a plane from Las Vegas to London ...

I unfortunately hear about people — more commonly women — having a potentially serious medical condition that gets ignored ...

Research reveals that matching exercise intensity to specific health goals, significantly improves results and sustainability ...

Health-tracking tech has never been more accessible, or more intrusive. Here are the pros and cons of data overload.

You can also take the " talk test " if you're unable to monitor your heart rate. As per this test, while performing zone 2 ...