Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and recovery. Higher HRV indicates well-being, while lower HRV signals stress.

Heart rate data can tell you a lot about your training and your health. If you’ve trained according to your heart rate zones, you’re probably familiar with how your cardiovascular system responds to ...

A cardiologist explains why resting heart rate is one of the simplest yet most powerful indicators of heart fitness. The article breaks down what a healthy range looks like, what a high resting heart ...

You probably don't think all that much about how quickly you breathe, but it can actually tell you quite a lot about your overall health. Respiratory rate is considered one of four main vital signs, ...

It might be time to start listening to your heart. In recent years, millions of Americans have incorporated wearable health trackers like smartwatches and Oura rings into their lives, with studies ...

It depends, of course. But on what exactly? Running coach Matt Fitzgerald explains a simple process of finding your ideal heart rate.

Genetics can dictate whether your HRV naturally tends to be on the higher or lower end, but positive lifestyle choices, ...

A new megahertz laser improves satellite and debris tracking, strengthening orbit predictions and space safety.

Producer meetings over the winter are highlighted by updates on research trials aimed at helping to make producers more productive and profitable. Wheatland Conservation Area is reporting early ...

Whoever we are, whatever we’re doing, we have a measurable heart rate. It’s a pretty clear sign of being alive. But what should your heart rate be when exercising? When we exercise, our heart rate ...

Respiratory rate, another metric in the Apple Watch vitals app, shows how many breaths you take per minute. This typically ...