Chemical roots of sexual attraction

摘要

It is known as the happiness chemical, but could serotonin also influence sexual preference? It certainly seems to in mice.rnSerotonin is normally associated with mood - particularly feelings of well-being. But when Yi Rao of Peking University in Beijing, China, and his colleagues genetically engineered female mice so that they could no longer make or respond to serotonin, it appeared to affect their sexuality.