Gay, straight, and the reason why : the science of sexual orientation
Sexual orientation Sex (Psychology) Sex (Biology)
Oxford University Press 2017 2nd ed.EISBN 0190297387
What causes a child to grow up gay, straight, or bisexual? In this book, neuroscientist Simon LeVay summarizes a wealth of scientific evidence that points to one inescapable conclusion: Sexual orientation results primarily from an interaction between genes, sex hormones, and the cells of the developing body and brain.