Wednesday, February 15, 2012
Boys' Testosterone Levels Before Birth Seen In 'Manly' Fingers, Strong Jawline
Hands are keys to the past, even if there isn't much past to tell. A glance at a boy's digit ratio — the relative length of index to ring finger —shows if he was exposed to high testosterone levels before birth. These testosterone levels even lead to "manlier" faces, even before the boy hits puberty, the research suggests. Click here.
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