Brazilian researchers reveal that even mild cases of COVID-19 can temporarily reduce heart rate variability, with stress on the autonomic nervous system lasting up to six months—especially in older ...

This article was originally featured on The Conversation. Your heart beats around 100,000 times every day. Heart rate is a key marker of cardiovascular activity and an important vital sign. But your ...

HRV is a relatively new metric that measures variations in your heartbeat. There’s no formal guidance on what an optimal HRV is. Your heart rate variability (HRV) is a measure of the difference ...

Among the valuable health features in watchOS is something Apple calls Cardio Recovery. Follow along for a detailed look at what the feature is, how to track it with Apple Watch, why it’s valuable, ...

Unless you’ve been living under a rock for the last couple of years, there’s a good chance that you will have come across the term heart rate variability (or HRV for short). Popularised by the likes ...

You might be familiar with HRV—heart rate variability—as a popular training tool for workouts and a biomarker for measuring exercise recovery. Beyond exercise tracking, heart rate variability has a ...