VO2 max determines endurance and cardiovascular efficiency. How it influences fitness, aging, and performance while improving overall health.

The Vatican says Pope Francis is in critical condition after he suffered a long asthmatic respiratory crisis that required ...

While Pope Francis' life is not in immediate danger, the level of multiple infections in his lungs means he is not completely ...

Seven marathons in seven days on seven continents with only one lung? Oklahoma City runner Greg Gerardy is out to 'redefine what is possible.' ...