FR(finger ratio)enology: Sex partners

Another advance in FR(finger ratio)enology research! 2nd to 4th digit ratio (2D:4D) and number of sex partners: evidence for effects of prenatal testosterone in men. Hönekopp J, Voracek M, Manning JT. Psychoneuroendocrinology. 2006 Jan;31(1):30-7. Epub 2005 Jul 6. The number of sexual partners per individual (NSP) is an important component of sexual behaviour. Here, we […]

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