Cardiovascular exercise helps strengthen your heart, allowing it to pump blood more efficiently and improving blood flow to ...

Sinus bradycardia, or a slow heart rate, can be a sign of cardiovascular health in healthy young adults and endurance athletes. It can also be a sign of an underlying condition requiring medical ...

Q: When I go for a walk or to the gym, people always seem to be checking their pulse, whether by hand or with a wearable. Why is heart rate ...

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 ...

Zone 2 cardio is having a moment—especially for those chasing better VO2 max scores. But according to biochemist Rhonda ...