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George Atallah

Test tubes are prepared for testing for human growth hormone (HGH) at the Doping Control Laboratory (Photo credit ROBYN BECK/AFP/Getty Images)

2 Seasons Since NFL Agreement, Still No HGH Tests

HGH is a banned performance-enhancing drug that is hard to detect and has been linked to health problems such as diabetes, cardiac dysfunction and arthritis.

01/31/2013