The smartwatch's Blood Oxygen app lets you measure the oxygen level of your blood on-demand. It's been MIA for more than a ...

The sea mammals may actually be able to sense the amount of oxygen in their blood—something we humans can't do. A new study suggests gray seals (Halichoerus grypus) can sense the level of oxygen in ...

Long hours at your desk could be hurting more than your posture, experts explain how screens and dehydration affect brain ...

Keeping your heart healthy is vital for overall well-being. Regular exercise strengthens your heart muscle, improves blood ...

VO₂ Max represents the peak oxygen consumption rate of your body during intense physical activity, which indicates your ...

Use a watch and see how far you can run in 12 minutes on a flat surface (ideally, a track), maintaining as steady a pace as ...

While brisk walks may not technically increase lung capacity, they can train your lungs and the cardiovascular system and ...

Bianca Adler was left gasping for air after spending nearly four days in Mount Everest’s notorious “Death Zone,” an icy, ...

Excessive nighttime thirst can occur due to the environment, alcohol, medications, hormonal changes, diabetes, and other ...

Maintaining a good level of physical fitness is important. However, it can be difficult to determine what fitness entails.

The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.