What exactly is a homosexual? It is a person sexually attracted to a person of their own sex. Why do people become homosexuals? This is a question that has been asked ever since the first homosexual person "came out of the closet." People do not choose to become homosexuals. There has never been a proven theory of why people become homosexuals. There are three theories that try to explain why people become homosexuals, they are: the Biological theory, Psychiatric theory, and the Sociological theory.(Thio, 211) The Biological theory is broken down into three different parts. The first one is the hormone theory which states that homosexual men have a low level of male sex hormones and a homosexual female have a low level of female sex hormones.(IBID, 211) the second one is the genetic theory. The genetic theory states that people are born gay and society only helps their homosexuality advance. Researchers announced that there is even a "gay gene".(Nardo, 66) The last Biological theory is the brain theory. The brain theory states that a person who has a smaller brain is most likely going to be gay.(Thio, 211) The Psychiatric theory has evolved through many different thoughts about what is homosexuality. At first, psychiatrists thought that it was a mental illness. After it was proven not to be an illness many assumed that homosexuals were going through sexual orientation disturbance. Psychiatrists helped gays to accept themselves as being homosexuals. Another psychiatric theory was that homosexuals had a bad parent-son relationship when they were growing up.(IBID) The last theories are the Sociological theories. Sociological theories state that society affects a person's sexual preference. The biological predisposition says that some people are more likely to become gay when they are born than other people.(IBID, 212) The socializing process states that children will decide their sexuality from contact with their pa...