Kyle Larson dominated in an emotional victory at Bristol Motor Speedway, leading 411 of 500 laps for his second NASCAR Cup ...

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 ...