The exercise group saw an 18 per cent increase in VO₂ max – a massive win in middle age, and a definite boost to their ...

If you wear a fitness tracker, you’ve likely seen a stat labeled “HRV” pop up on your screen. But what does it mean, and does it matter? Short for heart rate variability, HRV has become a popular ...

You may have already heard that your biological age—the rate at which you are physically aging—may differ from your actual age, depending on how healthy you are. Now scientists have revealed your ...

Despite how vital it is to our existence, most of us rarely think about our heartbeat until, say, a surge of adrenaline causes it to flutter in our chest. Beats are also faster in moments of stress or ...

You glance at your heart rate monitor during a tough run and an unusually high number jumps out at you. Should you be excited or concerned?

You’re familiar with the feeling of your heart pounding in your chest, your blood pulsing through your veins with increasing frequency when you’re scared, stressed, or sweating it out at the gym.

We all love to chow down on a fast food burger once in a while and tend to skip a workout for happy hour here and there. You're only human, and it’s easy to assume that your body will generally bounce ...