This American Heart Month, cardiologist Dr. Nidal Ganim explains how smartwatches and rings can track your heart health and ...

Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...

In addition to the effects on red blood cells, endurance exercise leads to other mechanisms that help the heart become stronger and more efficient, therefore lowering resting heart rate, says Tamanna ...

While heart rate variability (HRV) is a standard measure of the autonomic nervous system activity, its real-time monitoring is often compromised by inter-patient variability and data contamination ...

When one partner is stressed, the other feels it too—not just emotionally, but on a biological level. New research on heart rate synchronization helps explain how.

New research on heart rate variability suggests that composure isn’t a personality trait. It’s a physiological skill the nervous system can train—one that may determine who thrives when the stakes are ...