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

Inside the human chest, a tireless engine performs a rhythmic masterpiece roughly one hundred thousand times a day. If you ...

In the first of Cyclingnews' women's health series, as health-tracking technology becomes ever-present in cycling, how are female cyclists using it to monitor their health, and is all this data ...

A cooler bedroom might be better for older sleepers than previously thought. Researchers found that keeping nighttime ...

Next-generation super soldier technologies combine advanced equipment, software, and biotechnology to enhance a soldier’s ...

After a few hours, you come to understand that “beats per minute” is an average and variability is normal, that you should wait and see before reacting and most apparent abnormalities will correct ...

While most heroes and villains keep getting stronger, these characters actually fall short of their past peaks of power.

Are you entering “the high-touch era”? If you don’t know what that means, you’re probably not. But apparently it’s the ...

Lung cancer tumor cells in mice communicate with the brain, sending signals to deactivate the body’s immune response, a study ...

But no creature is more tied to the image of a long, cozy winter than hibernating bears all snuggled up in their dens. This ...

SD: Yeah. And crazier still the person who actually survived a 53 degree body temp was only a toddler. AC: Oh my God. As the parent of a toddler, I feel terrible for those poor parents. How on earth ...

In PEOPLE’s exclusive clip from the upcoming episode of the TLC series, Angela — a 45-year-old single mother from Jersey ...