Is Homosexuality Based on a Brain Chemical?
When you buy through link on our situation , we may earn an affiliate commission . Here ’s how it cultivate . A male mouse ’s desire to couple with either a male or a female is ascertain by the brain chemical substance 5-hydroxytryptamine , scientist report in a new study . The finding demonstrates for the first time that a neurotransmitter govern sexual preference in mammals . Serotonin is be intimate to mold intimate behavior , such as erection , ejaculation and orgasm , in both shiner and men ....