Gay, Straight, and the Reason Why: The Science of Sexual Orientation

The book "What Makes People Gay, Lesbian, Bi, or Straight?" by Simon LeVay is a groundbreaking exploration of the complex factors that influence an individual's sexual orientation.

Drawing on a wealth of scientific evidence, LeVay takes readers on a comprehensive tour of laboratories specializing in genetics, endocrinology, neuroscience, cognitive psychology, evolutionary psychology, and family demographics.

He provides compelling answers to the question "What is sexual orientation?" and sheds light on the various types of homosexuality, including the differences between gays and straights.

This second edition includes a new chapter on bisexuality, as well as reviews of uncommon forms of sexuality and the possibility of biological subtypes of gay people such as "butch" and "femme" lesbians.

With its comprehensive scope and authoritative insights, this book is an essential read for anyone seeking to understand the complex and fascinating world of human sexuality.