Do you know what's really in your sports nutrition supplements?
The training partners of runners on performance-enhancing drugs probably also benefit.
Former USATF CEO wants to give up the fight against doping.
Five Kenyans have been banned for doping since February.
Now that the Games are over, Competitor's editor-in-chief, Brian Metzler, weighs in on the distance events.
A recent study suggests the answer may be “yes”. Green tea is purported to have many positive health benefits. But can this
She will miss out on the Olympics.
A British study says high doses of caffeine can improve performance by as much as six percent.
She tested positive for a banned drug.