In TODAY.com's Expert Tip of the Day, a cardiologist explains why a lower resting heart rate can be a good sign of heart ...

There are many tools available to check your heart rate, but if you don’t have one, you can still obtain an accurate reading using your pulse and counting in your head or using a stopwatch or timer.

Without the need for expensive or invasive devices, you can easily measure your heart rate at home with the help of your two ...

VO₂ max reflects how efficiently your body uses oxygen. Discover how it is measured, why it predicts health and longevity, ...