Finger length could point to schizophrenia risk for men

March 17, 2015 2:32 PM

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Finger length could point to schizophrenia risk for men

The length of a man's index and ring fingers have recently been linked from everything to promiscuity and how nice he is to women. The idea is that finger lengths change depending on exposure to testosterone in utero, and it's known as the "2D:4D" ratio.

A lower ratio—where the second digit is shorter than the fourth—indicates "greater androgen exposure." In the journal Clinical Anatomy, researchers write that others have previously suggested a link between androgen exposure in the womb and schizophrenia; they take that one step further, hypothesizi...

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