VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

When fire breaks out in the low-gravity, high-stakes conditions inside spacecraft or space stations, it behaves very ...

Muscular strength is simply how strong you are, and can be developed by resistance training like lifting weights. The primary connection between muscular strength and health is in the fact that ...

I just hit 20,000 steps!" my husband exclaims as he brags when his fitness tracker exceeds the oft-heard benchmark of 10,000 steps per day. Although I rarely get that many steps, I use my ...