Adolescents with a minority sexual orientation (e.g., lesbian, gay, and bisexual) are more likely to use substances than their heterosexual peers.

Same-sex sexual behavior has been extensively documented in non-human animals.

Treatment of gender-identity disorders is guided by standards set forth by the World Professional Association for Transgender Health (WPATH).

Background: Methamphetamine-dependent gay and bisexual men (GBM) are at high risk for HIV transmission, largely due to drug-associated sexual risk behaviors.

Purpose: To identify factors related to human immunodeficiency virus (HIV) antibody testing among gay, lesbian, and bisexual youth.

 The article highlights the emergence of bareback sex, which refers to actively seeking unprotected anal intercourse, as a new phenomenon in the gay male community.

Social stigmatization hinders the ability of gay adolescents to achieve the tasks of adolescence.