The recent fight between Juan Manuel Marquez and Manny Pacquaio ended in a sixth-round knockout. Seems pretty clear cut, right? Maybe not, if the speculation of doping by Marquez turns out to be true. Similar allegations have also dogged Paquaio throughout his career. The presence of performance enhancing drugs in combat sports inspired Dr. Margaret Goodman to start the Voluntary Anti-Doping Association, which is wrapping up its first year in business. We'll talk to her and a boxing writer about the problem of steroids in boxing.

 

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