In recent decades, we’ve seen the rise of digital wearables and fitness trackers to help us understand more about our sleep, workouts, and nutrition. Heart rate variability is another metric worth ...

It may sound dramatic, but the rate at which your heart is beating plays a key role in how long you’re likely to live. According to expert cardiologists and academic researchers, resting heart rate ...

That little number on your fitness tracker might be more important than you realize. Your resting heart rate isn’t just some random vital sign. It’s essentially a window into how efficiently your ...

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 ...

To live is to have a heartbeat, which is why it makes sense for us living things to have a good understanding of our ticker. It’s well-known science that our hearts beat faster when we exercise and ...

The issue: Many runners (particularly women) report that their fitness trackers tell them they’re exercising in a higher zone ...

Running in zone 2, by definition, should feel easy. And that’s a good thing, considering zone 2 runs make up the majority of any good training plan. These easy efforts serve as the building blocks for ...

Back into fitness after a multi-month hiatus, I was looking for all the help I could get. I agonized over which wearable to commit to (read: procrastinated my first exercise session as long as ...