Pseudo-ephedrine unreliable doping agent for cyclists

[Arnold]

Pseudo-ephedrine, the active ingredient in many cold remedies, improves some cyclists’ performance and has no effect on others. According to Kellie Pritchard-Pescheka, an Australian sports scientist at the University of Queensland, some athletes’ bodies absorb this stimulant surprisingly slowly. Even if this is taken into account, it’s still questionable whether pseudo-ephedrine actually works at all. […]

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