The always fascinating Ed Yong, over at Not Exactly Rocket Science, highlights a recent study on testosterone, aggression and the placebo effect.
If ever a hormone was the subject of clichés and stereotypes, it is testosterone. In pop culture, it has become synonymous with masculinity, although women are subject to its influence too. Injections of testosterone can make lab rats more aggressive, and this link is widely applied to humans. The media portrays "testosterone-charged" people as...
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