Hormonal birth control and jealousy. Dec 2010

How the length of a man’s fingers can tell you how likely he is to commit, whether taking the contraceptive pill makes you more jealous, and the relationship between your postal code and the size of your boyfriend’s biceps.

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The effects of the pill on a woman's biology are obvious, but what does a daily dose of the oral contraceptive do for her psychology? Cobey and colleagues decided to investigate.

The articles covered in the show:

Schwarz, S., Mustafić, M., Hassebrauck, M., & Jörg, J. (in press). Short- and long-term relationship orientation and 2D:4D finger-length ratio. Archives of Sexual Behavior. Read summary

Cobey, K. D., Pollet, T. V., Roberts, S. C., & Buunk, A. P. (2011). Hormonal birth control use and relationship jealousy: Evidence for estrogen dosage effects. Personality and Individual Differences, 50(2), 315-317. Read summary

Snyder, J. K., Fessler, D. M. T., Tiokhin, L., Frederick, D. A., Woo Lee, S., & Navarrete, C. D. (in press). Trade-offs in a dangerous world: women's fear of crime predicts preferences for aggressive and formidable mate. Evolution and Human Behavior. Read summary