Genetics play role in doping tests

A Swedish researcher said some men are missing testosterone-metabolizing genes that are key to the accuracy of athlete drug tests.

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<p><a href="http://www.physorg.com/news128845826.html">Genetics play role in doping tests</a></p> <p>A Swedish researcher said some men are missing testosterone-metabolizing genes that are key to the accuracy of athlete drug tests. </p>