Who’s gay and who’s not is less clear than it used to be among today’s young people — and that’s complicating how researchers conduct studies on the sexual behavior of teens and young adults, a developmental psychologist who studies gays, lesbians, and bisexuals told a session today at the annual meeting of the American Psychological Association.
![](https://www.youthworker.com/wp-content/uploads/2009/08/Bi_Nude.250w.tn_.jpg)