August 10, 2010 — Apparently, competing for female companionship has shortened the lives of men by up to several months. Who would’ve thought?


TUESDAY, Aug. 10 (HealthDay News) — In certain situations, competing for a mate may shorten a man’s life.

U.S. researchers found that when men reach sexual maturity in settings where they far outnumber women, they live an average of three months less than males from areas with a more equitable gender ratio.
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While previous studies have examined gender ratios and longevity in animals, this is the first time it’s been studied in humans, according to senior author Nicholas Christakis, a professor of medicine and medical sociology at Harvard Medical School, and a professor of sociology at Harvard University’s Faculty of Arts and Sciences.


Read the full story at USNews.com.