Get Science Newsletter Sign up to receive the latest science news. Shayle Matsuda is a PhD student who studies coral reefs and climate change at the University of Hawaii. By Jocelyn Kaiser Jun. The study included both adolescent boys and girls with gender dysphoria and used magnetic resonance imaging MRI scans to assess brain activation patterns in response to a pheromone known to produce gender-specific activity. Ideologues threatened and unsettled by gender fluidity question research they don't like, while activists on the opposite side do the same. One, why did I want to do a PhD? It applies to women competing in certain track and field events, including those that Semenya excels at, who have specific intersex conditions in which their bodies produce and are sensitive to higher levels of testosterone.
The transgender population, even now, tends to be "small and secretive," Harper says, and it took 7 years of contacting athletes through Yahoo and Facebook groups to collect data from eight runners.
The largest study of its kind, it will recruit subjects from a London-based gender clinic and enlist the expertise of endocrinologists, muscle physiologists, and mental health professionals, among others. Though we don't know exactly what biological mechanisms influence transgender identity, we can conclude with a fair amount of certainty that being transgender is heavily influenced by biology. The best safeguard against bias is to have scientists of all backgrounds doing work—which means reshaping science to be as open as possible. More controversy may be on the way:
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