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Missing Genes Can Thwart Doping Tests

Athletes' DNA triggers false negative tests for testosterone

By Kevin Spak,  Newser Staff

Posted Apr 30, 2008 2:09 PM CDT

(Newser) – Testosterone injections are among the most common performance-enhancing drugs detected in athlete screenings, but some lucky competitors can take them without fear of exposure, the New York Times reports. Of 55 men given testosterone in a recent study, 17 came up clean on a drug...   Read full story »

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