Testosterone makes men more impulsive
At least, when they are trying to answer mathematical questions
TESTOSTERONE is a hormone with a reputation. Though both sexes generate the stuff, that reputation is macho. Numerous experiments on non-human animals show that boosting testosterone levels boosts levels of aggression. And in most species—humans included—males are the more aggressive sex.
This article appeared in the Science & technology section of the print edition under the headline “Impulse power”
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