Fitness trackers detect heart rate by measuring changes in blood volume, which is exactly what we do when we check our pulse.

I am 65 yers old and meditate, my heart rate can into low 40’s, as measure on a heart rate/ pulse monitor. This does not concern me, and I feel fine with some aches and pains relieved.

This kind of wearable device uses green light to detect blood flow beneath your skin and deduces your heart rate. Here are what heart rate and other measurements derived from this biometric can ...

To be clear, Microsoft made no official healthcare announcement today. At least none that I'm aware of. They did, however, announce their latest home entertainment console - the new Xbox One ...

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 pulse is not as steady as a precision clock – nor ...

It can be used to measure heart rate while exercising. The other four devices in the test use optical sensors on the wrist or fingertip and only work standing still. Zaroff observes, "An optical ...

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 ...

This article was originally published 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 heart beats around 100,000 times every day. Heart rate is a key marker of cardiovascular activity and an important vital sign. But your pulse is not as steady as a precision clock – nor ...

As wearable technology has grown more popular, it’s not just researchers and cardiologists who are paying attention to heart rate. You might be monitoring your own all day long via a fitness tracker ...

This kind of wearable device uses green light to detect blood flow beneath your skin and deduces your heart rate. Here are what heart rate and other measurements derived from this biometric can ...