Health & Science

Beware the high-estrogen woman; Caffeine can make you nuts; A new perspective on autism; Avoiding colds; A medical solution to divorce

Beware the high-estrogen woman

The femme fatale really exists, and it’s unusually high levels of estrogen that make her dangerous, says New Scientist. Evolutionary psychologists at the University of Texas found that some young women have very high levels of an estrogen compound called estradiol, and that it has a major impact on their behavior toward men. Women with high estradiol levels rated themselves as more attractive than other women (men agreed with this assessment), and had dated more men. They were also more likely to have cheated on partners or to have dumped a boyfriend for someone they deemed better. Study author Kristina Durante says that high estradiol levels may be an evolutionary adaptation, conferring a reproductive advantage on women who are very attractive and not particularly faithful. “These women are not easily satisfied by long-term partners, and are willing to trade up when the opportunity arises,” says Durante, naming Angelina Jolie as an example. “She doesn’t need Brad Pitt long-term.”

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