Sports cardiologists and researchers say the widely used '220 minus age' heart rate max formula is outdated and inaccurate, especially for women, because it was developed from research that excluded ...

Altered autonomic nervous system activity was linked to specific sleep disturbances, with distinct sex-based patterns.

Smartwatches commonly use heart rate variability to monitor stress. Columnist Helen Thomson explores what this metric ...

You check your smartwatch after a run. Your fitness score has dropped. You've burned hardly any calories. Your recovery score ...

Heart rate variability (HRV) is becoming a go-to metric for athletes, wellness enthusiasts, and anyone wanting deeper insight into their health. Modern wearables make it easy to track HRV trends over ...

RTA Outdoor Living has released Health Haven, a YouTube special exploring how residential outdoor environments influence ...

Altered autonomic nervous system activity is linked to specific sleep disturbances, with distinct sex-based patterns.

A team of researchers at Kyoto University have demonstrated that the chaotic component of heartbeat variability is uniquely ...

Is your heart rhythm chaotic? Researchers found that chaotic heartbeat patterns, not traditional HRV, are the secret to tracking cognitive brain activity.

You’re lying on a hospital gurney, waiting for the anaesthesiologist to send you under so you can be taken into theatre and the operation can begin. Naturally, you’re nervous. But mixed with the quiet ...

We may earn a commission from links on this page. Deal pricing and availability subject to change after time of publication. While most fitness watches and other devices (like smart rings) can measure ...