What is heart rate variability (HRV)? As popular as the metaphor may be, a healthy heart doesn’t beat as regularly as a metronome. In fact, it changes its rhythm with each beat. Heart rate variability ...

Here’s what HRV is, how it works and what can cause it to rise or fall.

Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, including step count, calories burned, sleep quality, Vo2 max and heart rate. As a ...

Thanks to wearable devices, you can use all sorts of metrics to keep track of your health. You can check your weight, blood pressure, the number of steps you take, heart rate and more as you go about ...

Heart rate variability (HRV) is a known risk factor for mortality in both healthy and patient populations. There are currently no normative data for short-term measures of HRV. A thorough review of ...

Years ago, we asked a fitness expert named Michael Matthews, author of Muscle for Life, for his take on the recommended ...

New research suggests the menstrual cycle may influence heart rate, stress levels and nervous system activity, highlighting important changes in women’s overall heart health.

We aimed to investigate the association between pulse rate variability (PRV) and health-related quality of life (HRQOL) in the general population. A cross-sectional study was conducted with 5908 ...

Repeated exposure to external stressors could lead to altered autonomic functioning, contributing to difficulties in emotion regulation and the development of mental health difficulties. This pathway ...