This year, science has taught us that TV causes breakups, but nasal spray could prevent them.
Reading Cosmo could make women more sexually aggressive.
This year, researchers found that women who read sex-related articles in magazines like Cosmopolitan were more accepting of premarital sex and more supportive of women in general assertively seeking out sexual gratification. This effect was more pronounced in white readers — maybe because women of color are underrepresented in women's magazines.
Men don't really fall asleep first after sex.
Despite the stereotype, a study this year found that men are no more likely than women to fall asleep after sex. But having a partner fall asleep first may increase the wakeful person's desire for cuddling and bonding — nobody likes to be the one left awake while the other person snores.
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Men are more generous around attractive women.
Researchers had men play a computer game in which they could donate money, and the guys gave significantly more when observed by an attractive woman. The study author explained, "Good deeds among men increase when presented with an opportunity to copulate."
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Sex is just as safe as golf.
That's the good news: For people with heart conditions, having sex is no riskier than a round of golf. The bad news: For anybody who's been buying into the idea of sex as exercise, the average intercourse is no more strenuous than golf, either.
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