B sample not yet back, but it appears Zirbel is the third cyclist to test positive for DHEA this year (after Hamilton and Kenny Williams). Zirbel denies knowingly taking it. Kenny Williams admitted it. Hamilton admitted, but said it was for depression.
So what's the deal? From what little I've read, no one seems to think it is truly performance enhancing.
So what's the deal? From what little I've read, no one seems to think it is truly performance enhancing.