In the experiment, psychologists at Northwestern University and the Center for Addiction and Mental Health in Toronto used advertisements in gay and alternative newspapers to recruit 101 young adult men. He added, 'We don't know nearly enough about sexual orientation and identity' to jump to these conclusions. Randall Sell, an assistant professor of clinical socio-medical sciences at Columbia University, 'is for some therapists to see this study and start telling bisexual people that they're wrong, that they're really on their way to homosexuality.' Men and women also appear to differ in the frequency of bisexual attractions. Bisexual desires are sometimes transient and they are still poorly understood.
