Micro-fluctuations in the time between heartbeats are proving a helpful indicator of mental health, stress levels, exercise capacity and even how well you are ageing.

Measuring your heart rate has long been established as one of the easiest ways to monitor your effort while exercising but, in recent years, heart rate variability has emerged as a new metric that can ...

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, ...

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 ...

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 ...

There are more and more ways to monitor our heart rates, but what do the numbers really mean? Here is everything you need to know Are you sitting comfortably? If so, put out one hand so you’re looking ...