Testosterone Ruling for Athletes Fuels Debate Over ‘Natural’ Ability

Testosterone Ruling for Athletes Fuels Debate Over ‘Natural’ Ability

Elite athletes are always looking for an edge. Anything—a better training program, new equipment, improved nutrition—is worth the chance to shave off a few milliseconds. Some athletes are simply born with a natural advantage over their competitors, like tall basketball players and high-altitude marathoners. But as biological science progresses, it’s possible for athletes to mimic …