Linda Kelly is 80 years old. She's as fit as someone decades younger and has an elite-level VO₂ max. Her easy daily habits ...

VO2 max is a measure of the maximum amount of oxygen the body can handle during intense exercise. A doctor explains how it's ...

Background and objective Kidney transplant recipients (KTRs) face elevated cardiovascular risk, partly due to reduced ...

A new performance marker is changing how men train, recover, and measure true fitness.

Are you an early bird or a night owl? A new study finds that aligning exercise times with natural alertness patterns may help ...

Emerging evidence suggests that higher-intensity exercise doesn’t harm healthy pregnancies—and may protect against conditions like gestational diabetes and preeclampsia. Researchers are beginning to ...

Javascript must be enabled to use this site. Please enable Javascript in your browser and try again. Preparing for retirement? Use the AARP Retirement Calculator to ...

Add Yahoo as a preferred source to see more of our stories on Google. Low oxygen during sleep linked to vessel damage, with participants showing more white matter hyperintensities when oxygen levels ...

Marine life receives its oxygen from warm water on the ocean's surface, but if there's no mixing with the colder water sitting below, then bottom-dwelling marine life, like lobsters, are unable to ...

Twenty-four healthy young male participants (23.7 ± 3.3 years; 178.6 ± 9.8 cm; 78.5 ± 6.4 kg; 237.8 ± 48.7 min/week training duration; maximal oxygen uptake 44.06 ± 5.9 ml/kg/min; maximal power output ...

For users who rely on their Apple Watch to monitor blood oxygen levels, this update delivers notable improvements. The blood oxygen sensor functionality has been fully restored for the Apple Watch ...