Your ability to compete in ultra-endurance events may be determined at birth

Your ability to compete in ultra-endurance events may be determined at birth

Your adult race destiny may be determined at birth. Ultra-endurance events have surged in popularity, with more than 150,000 North Americans racing ultramarathons (a distance longer than the standard 26.2-mile marathon) last year. And while these hardcore events can prematurely age vital parts of the body, one factor may shape how the body responds to … Read more