For many years, the American Psychiatric Association listed homosexuality as a mental disorder. However, the organization de-listed homosexuality in 1973.[http://www.apa.org/pi/reslgbc.html] Since that time, homosexuals have advocated for recognition of their civil rights and for equal protection under the law.
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For many years, the American Psychiatric Association listed homosexuality as a mental disorder. However, the organization de-listed homosexuality in 1973.[http://www.apa.org/pi/reslgbc.html] Since the late 1960s, many people, both homosexual and heterosexual, have advocated for recognition of gay civil rights and for equal protection of gay citizens under the law.
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Legal marriage between same-sex couples is now recognized in several European nations as well as in Canada, South Africa and [[Massachusett]]s. In some other states such as Connecticut a more limited recognition of same-sex relationships is available, called a "civil union". Many other states have passed constitutional amendments banning recognition of same-sex marriages performed anywhere and some groups have pushed for Constitutional amendment barring the legal recognition of same-sex marriages.
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Legal marriage between same-sex couples is now recognized in Canada, Spain, South Africa, Belgium, Israel and the Netherlands, and in the US state of [[Massachusetts]]. Most other western European nations and several US states recognize a more limited "civil union". 26 US states have passed constitutional amendments banning recognition of same-sex marriages performed anywhere. Some groups have pushed for a federal Constitutional amendment barring the legal recognition of same-sex marriages, however the amendment did not pass the Senate and was dropped due to lack of support.<ref>http://www.cnn.com/2006/POLITICS/06/07/same.sex.marriage/index.html</ref>
==Homosexuality in Humans and Genetics and Environment==
==Homosexuality in Humans and Genetics and Environment==