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The Way Your Pupils Dilate May Show Sexual Preference, Cornell University Study  
8/6/2012 6:55:17 AM

The way people's pupils react when they see other people is an effective way to assess sexual orientation, according to a new study. The reactions of study participants' pupils revealed that heterosexual men responded most to images of women and homosexual men responded most to images of men. Additionally, researchers found that homosexual women responded most to images of women, and heterosexual women expressed arousal in response to both men and women, though they were more likely to choose to watch men.
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