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

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

Overview:  Modern smartwatches like Garmin Venu 4 and Apple Watch Series 10 track heart rate and SpO₂ with impressive accuracy, keeping your fitness and we ...

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.

'Some athletes are really strict about it, but I don't mind sharing data' says Dutchman ...

Real-time and early detection of minute changes in the functioning of the cardiovascular system is crucial for managing ...

Heart rate variability can tell you whether to take it easy or aim for maximum intensity to achieve optimal results – but only if you measure and interpret it properly.

A new megahertz laser improves satellite and debris tracking, strengthening orbit predictions and space safety.

A smartwatch study found that a major cup final triggered big spikes in stress and heart rate in dedicated football fans, with levels rising the night before kick-off. The strongest physiological ...

The previous night had seen the Islanders strip off to their underwear and don sexy costumes to perform raunchy routines, in the hopes of raising each other's heart rates.

Many runners strive to get faster, and boosting VO2 max is often part of that goal. One way to achieve both: The interval workout known as the Norwegian 4x4.

Love Island's Heart Rate Challenge is one of the show's most iconic tasks, with the islanders putting on their sexiest ...