If you’ve ever worried about your heart rate during exercise being too high or too low, you’ll want to read this. Your "heart rate zones" might be completely wrong. Not only are zones defined ...

Understanding our body’s target heart rate zones and how they change as we age is crucial for getting the most out of our workouts. If your goal is to burn fat, for example, you’ll want to stay in ...

For people in their late teens, a heart rate of 200 while exercising may be within the range of their maximum heart rate (MHR) while exercising. But for people in other age groups and those who may ...