BJ Penn says.....
"We knew he was doing ’roids the whole time, and all this stuff, and about it’s nothing personal, he went and made it all personal. I was calling a spade, a spade.”
I knew Sherk was Juiced too, but if I had posted that here at FF PRIOR to his failed screen I would have been banned.
Blood Doping/EPO equals more red blood cells to carry more Oxygen from the lungs equals significantly increased Cardio performance (somethinh Sherk has been noted for). I suppose greater (clean) blood volume could somewhat decrease Ng/Ml of substances in the blood,but I wouldn't want to stake my career/reputation on that possibility.