Many parents know that their own pulse or heart rate should be within about 60 to 100 beats per minute. Your child, however, may have a higher pulse rate, depending on their age. Because heart rate ...

In this era of fitness trackers, we have easy access to our heart rate at any given moment. Every so often, a number catches your eye as it flashes on your Garmin or Apple Watch while you're sitting ...

You track your VO2 max and working heart rate, but this underrated biometric may tell you more about your heart and long-term ...

Low intensity heart exercising can help improve your endurance, though it may take longer to achieve your fitness goals than traditional high heart rate training. You may have read or heard that to ...

Resting heart rate — the number of times your heart beats per minute when you’re sitting still — is an important vital sign. Doctors measure it to check how your body is functioning, and the number ...

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 ...

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 ...

Whether brought on by stress, physical activity, or an extra cup of joe in the morning, most of us have all felt our heart rate quicken at one time or another. However, a lower resting heart rate ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...