In this work, prepared by the Journal of Human Sexuality Commission, the following questions are explored: What are the causes of homosexuality? What are the factors that influence the development of same-sex attraction? According to Joseph Nicolosi, what did Sigmund Freud, the founding master of psychoanalysis, say about homosexuality, and why? What are the effects of the family on the development of homosexuality during the developmental process? You will find satisfying answers to these questions, which have sparked heated public debate and are eagerly sought after.