A group of scientists have challenged a controversial IAAF gender testing policy that is supposed to be implemented at the London Olympics, calling it "significantly flawed." The paper's authors argue that the new policy of measuring athletes' testosterone levels is not an accurate way to determine gender. “[The test] is based on a lot of speculation and folklore about hormones, instead of precise science,” Rebecca Jordan-Young, one of the paper's co-authors, wrote. Last month, the IOC announced plans to require female athletes with unusually high testosterone to undergo surgery, take drugs, or face a ban.
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