There is no scientific basis for the assertion that lesbian, gay, bisexual, and transgender persons are not fit to marry or to become parents of healthy and well-adjusted children.
Marriage bestows substantial psychosocial and health benefits to individuals, due to the moral, economic, and social support to married couples. The denial of marriage rights to same-sex couples, therefore, adversely affects the health and well-being of the individuals involved, as well as their families and friends. ...
Scientific research provides no evidence that would justify discrimination against same-sex partners and their families. In its 2004 resolution on sexual orientation and marriage, APA strongly supports policy and legal decisions that support the health and well-being of same-sex couples, their children, and their communities.
Thursday, February 18, 2010
The APA on marriage equality
Once thing we learned from the Prop8 testimony is that our opponents aren't interested in facts or science. Still, it's worth having access to this Fact Sheet from the American Psychological Association which includes references to studies proving each point (PDF here):