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This study does not measure doping

Posted by CleanTriathlete on 25 Nov 2013 at 03:15 GMT

If someone used a single caffeine tablet (in Germany only available in pharmacies) within a year before completing the questionnaire, he had to answer the physical and the cognitive doping question positively although that is not related to doping at all - at least not by the definition of the world anti doping agency (WADA).

Competing interests declared: I am a triathlete.