He was asked whether he had taken human growth hormone (HGH) to aid his recovery from reconstructive knee surgery in 2008.

BBC: Tiger Woods targeting fifth Masters victory at Augusta

Wednesday morning, he'll be ushered into a congressional hearing room to answer questions from a congressional committee on allegations he boosted his pitching career with steroids and human growth hormone (HGH).

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There was a plan to test its players for Human Growth Hormone ( HGH ), a breakthrough in insuring integrity and competitive balance in a way that other leagues could emulate.

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ATHENS, Greece -- World Anti-Doping Agency (WADA) president Dick Pound said there was nowhere left for drugs cheats to hide after confirming that athletes at the Athens Olympics will be tested for human growth hormone (HGH).

CNN: Anti-drugs chief confirms HGH test

This past week, Major League Baseball and the MLB Players Association released their latest drug agreement, and with it, MLB now sees testing for human-growth hormone (hGH).

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"Let me be clear: I have never taken steroids or HGH (human growth hormone), " Clemens insisted in his opening statement.

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The authors conducted more than 200 interviews and used grand jury testimony from the Balco (Bay Area Laboratory Cooperative) case. (Balco allegedly sold steroids and human growth hormone to Bonds.) Bonds has never tested positive for steroids or HGH and says he never knowingly took steroids.

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