Did insulin ruin bodybuilding? Yates & Levrone reveal their GH and insulin use

Is insulin the worst thing to ever happen to bodybuilding? From what I can tell, yes!

MD article: http://www.musculardevelopment.com/mdtv/interviews/14364-the-lowdown-on-drugs-part-4-kevin-levrone-shawn-ray-and-dorian-yates-speak-out.html#.WVBPSPryu2x

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