1. http://wp.me/p41ahu-2z

    Could taking birth control pills increase jealousy and competition in women?  Thisresearch cited on Psychology Today, seems to show so. Specifically, partnered women who took birth control reported more jealousy than when “naturally-cycling”. For single women, differences were not significant, yet observed to a modest extent. Because this study has a within subjects design, we can infer causal…

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