Scientists found that single men who started out with relatively high testosterone levels were more likely than other men to become fathers. But once a baby arrived, testosterone levels plummeted.
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Read the complete post at http://www.npr.org/blogs/health/2011/09/13/140431310/one-price-of-fatherhood-low-testosterone?ft=1&f=103537970
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Sep 13 2011, 08:55 AM
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NPR Blogs: Shots - Health Blog