another number may be new to you — your heart rate variability (HRV). So, what is heart rate variability, and how does it affect your overall health? HRV, a measure of the variation between ...

HRV has long been used by elite athletes to dictate their training schedule and it has now become a "buzzword" among the broader community.

The following is a summary of “Dynamics in physiological acute stress response trajectories: uncovering latent variability,” ...

Brain aging may lead to a decline in immune system response and hinder the removal of aged cells. The accumulation of these ...

Get a deeper understanding of the health metrics your smartwatch measures for you, so you can make full use of them.

“Unlike wearable devices that you have to remember to charge and put on, radar works continuously in the background,” Shaker ...

Learn how to lower your resting heart rate naturally through sleep, movement, nutrition, and stress relief for better heart health.