miercuri, octombrie 07, 2009

Contraceptivele si atractia

The contraceptive pill alters monthly fluctuations in hormones associated with the menstrual cycle, mimicking the more stable hormonal conditions associated with pregnancy. This might not only disrupt the natural processes which influence women's choice of partner, but it could also make them less able to compete with women who have a natural menstrual cycle, a paper published this week in Trends in Ecology and Evolution suggests.

How worried should we be, and what other strategies can men and women use to tip the odds in their favour? New Scientist investigates.

Articol: http://www.newscientist.com/article/dn17934-secrets-of-sexual-attraction.html

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