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 ...

The time it takes the heart to return to its baseline rhythm after exercise can predict a host of cardiovascular or metabolic disorders. In a new study, scientists at the University of Illinois Urbana ...

Walking 10,000 steps a day is a popular health goal, but researchers have introduced a new, potentially more powerful metric: ...

Heart rate variability (HRV) is an essential physiological metric offering insights into autonomic nervous system activity and cardiovascular regulation. In ...

If you're not hypersensitive to tight devices, a chest strap is unquestionably better than your current smartwatch.