The Week
Taking a common antibiotic can help men resist the allure of attractive women, Nature reports. Researchers recruited 100 men and gave half of them a course of minocycline, an antibiotic used to treat acne that also appears to improve decision-making. Then they asked them to play a game of trust, in which the men had to decide how much money to give a women of varying attractiveness, knowing that some women could opt to keep it all while others would give back triple what they got. The men who weren't taking minocycline acted like typical men, giving more money to the women they considered highly attractive; the men on the antibiotic treated all the women the same. That suggests minocycline may disrupt the tendency of men to lavish attention and gifts on pretty women in order to seduce them and "increase the probability of producing attractive offspring," the study authors say. For unexplained reasons, minocycline seems to affect the brain, improving focus and mood.
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