42 U.S.C. § 12211

1. (a)For purposes of the definition of “disability” in section 12102(2) 1 See References in Text note below. of this title, homosexuality and bisexuality are not impairments and as such are not disabilities under this chapter.
2. (b)Under this chapter, the term “disability” shall not include—
   1. (1)transvestism, transsexualism, pedophilia, exhibitionism, voyeurism, gender identity disorders not resulting from physical impairments, or other sexual behavior disorders;
   2. (2)compulsive gambling, kleptomania, or pyromania; or
   3. (3)psychoactive substance use disorders resulting from current illegal use of drugs.