Secondary Doping Tests Clear Marion Jones' Name Backup test results on Olympic medalist Marion Jones have cleared the sprinter of any wrongdoing, despite testing positive for an endurance-boosting drug in June. A second test for the substance came back negative. Robert Siegel talks with Dr. Gary Wadler, a member of the Prohibited Lists and Methods Committee of the World Anti-Doping Agency.
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Secondary Doping Tests Clear Marion Jones' Name

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Secondary Doping Tests Clear Marion Jones' Name

Secondary Doping Tests Clear Marion Jones' Name

Secondary Doping Tests Clear Marion Jones' Name

  • Download
  • <iframe src="https://www.npr.org/player/embed/5783532/5783533" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Backup test results on Olympic medalist Marion Jones have cleared the sprinter of any wrongdoing, despite testing positive for an endurance-boosting drug in June. A second test for the substance came back negative. Robert Siegel talks with Dr. Gary Wadler, professor of medicine at New York University.

Wadler is a member of the Prohibited Lists and Methods Committee of the World Anti-Doping Agency.

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