Smartwatch makers promise to turn your wrist into a sleep lab, translating tiny movements and heart rate blips into colorful ...

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 ...

Obesity may raise the risk of an elevated resting heart rate, which is associated with many cardiovascular health problems. But other factors can also play a role, such as heat, stress, or certain ...

Heart rate variability typically decreases during stressful situations, although the heart rate increases. Managing stress levels can mean a more variable heart rate. Exercise and relaxation ...

Heart rate recovery (HRR) is the capacity for the heart to return to its natural rate after elevation. It generally measures how quickly the heart rate decreases after exercise. Someone’s heart rate ...

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 ...