sexual preference

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Mice, Serotonin, Sexual Preference, And You

A recent study found that male mice are less choosy about the sex of whatever mice they mount when their serotonin levels are low. Male mice that genetically have less of the neurotransmitter serotonin are as likely to mount other male mice as they are to mount female mice, but injecting them with serotonin increases their likelihood of mounting females with greater regularity. So serotonin is clearly linked with sexual preference in male mice in some fashion… but what does this mean for the rest of us? Continue Reading →