Is your smartwatch's heart-rate data accurate? We lab-tested 58 devices, from Apple and Garmin to smart rings, against ...

The latest ring from the controversial Finnish health-tracking company is about as set-and-forget as a tracker could be.

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 ...

A normal resting heart rate for adults ranges from 60 to 100 beats per minute, though individual variation is common. You can lower your heart rate short-term with relaxation techniques like deep ...

There are several markers for how well we are aging. Resting heart rate has become an important indicator of longevity. When it comes to longevity, we often focus on diet, exercise, and genetics. But ...

Your heart rate can tell you a lot about your fitness and cardiovascular health. Your heart beats consistently, day in and day out, but you may not generally pay close attention to it. You might take ...

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 ...

Background: Temperature, heart rate (HR) and heart rate variability (HRV) are known to be hormonally influenced and fluctuate across the menstrual cycle. However, the association of sleep resting ...

New research from Australia overturns the old idea that exercise “uses up” heartbeats. It shows that fitter people actually use fewer total heartbeats each day thanks to their lower resting heart ...

If your weekly schedule looks like a jigsaw puzzle, squeezing in both cardio and strength training – around everything else in life – can be tough. But cardio needn’t feel like a daunting item on your ...