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After the news broke in December that Milwaukee Brewers left fielder Ryan Braun had tested positive for synthetic testosterone, his first public defense was, "It's b-------." Braun also told a reporter that he "can't wait" to explain himself and th...

Current anti-doping testing methods have their challenges, but a new approach, called longitudinal testing, represents one of the most exciting anti-doping developments that some experts have seen, write Mark Fainaru-Wada and T.J. Quinn.