This isn't a new problem. Several studies have found that smartwatches and trackers don't do a great job of calculating ...

Heart rate is one of the most valuable physiological metrics for runners because it provides objective real-time insight into how hard your body is working. Unlike pace or distance, which are ...

For instance, one user noted that during resting and day-to-day activities, the heart rate readings on their Fitbit Charge HR were somewhat accurate. However, this accuracy can vary significantly ...

For an accurate and comfortable heart rate monitor chest strap which is highly compatible, this is one of the best. It's also rechargeable, making it easier to use than the last generation, but ...

The result? ApoB count was the strongest and most reliable predictor of heart disease. This marker, which reflects the number ...

The Oura gives accurate resting heart rate (RHR) and heart rate variability (HRV), two metrics that come more or less directly from its sensors, with minimal layers of interpretation.

A powerful new artificial intelligence system has shown it can predict who is at risk of sudden cardiac death far better than ...

The bottom line: Don’t rely on the Powerbeats Pro 2 for accurate heart rate data. If you train by heart rate in any kind of serious way, do not bother with this feature.

We tested 11 popular running watches to see how they compare with GPS accuracy, functionality and design. ... an accurate heart rate sensor can be an important feature,” Raponi said.