Compared with men who do not have older brothers,right-handed men who have older brothers are somewhat more likely to experience

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Quizplus · Accepted Answer

Research suggests that there is a correlation between the number of older brothers a man has and the likelihood of being homosexual. This effect is thought to be due to changes in the mother's immune system during pregnancy that occur after having one or more male children. This effect has not been found to be related to premature ejaculation, erectile disorder, or paraphilias.

Compared with Men Who Do Not Have Older Brothers,right-Handed Men