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

Heart rate variability can reveal how well runners are recovering – here, a cardiologist explains how to use HRV without ...

Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and recovery. Higher HRV indicates well-being, while lower HRV signals stress.

Why the wild freakish heart rate and HRV scores Van der Poel discussed in a recent podcast mean everything and nothing, all ...

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 ...

The vagus nerve is the “master regulator of inflammation and stress”, and stimulating it regularly can have profound health ...

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

At its core, looking at your HRV trend over time gives runners a window into how well they’re balancing training stress with recovery. “Higher HRV is synonymous with having a very healthy nervous ...

Apple, Garmin, Samsung, Google or Amazfit? I compared each one against a chest strap for heart rate accuracy and found a ...

This is not a story about weakness. It's about what happens when the human nervous system confronts a challenge it wasn't ...

Personalizing overnight fasting by stopping food intake three hours before sleep improves blood pressure and blood sugar control without calorie counting.

Stress can be managed with simple breathing exercises which activates the parasympathetic nervous system, slowing your heart ...