Finger Length May Indicate Sexual Behavior and Preferences

TL;DR
A study suggests that the length of a man's index finger relative to the ring finger (2D:4D ratio) can predict his sex drive and sexual preferences, with shorter index fingers indicating higher libido, based on research conducted on rats and implications for human behavior.
Topics:healthhealth-and-science#2d4d#digit-ratio#finger-length#health-and-science#sex-drive#sexual-behavior
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