The predominant, categorical system used to classify and diagnose psychiatric disorders suffers from several critical scientific limitations, including extensive comorbidity, unreliability, and disorder heterogeneity. As such, clinical psychological scientists are increasingly moving away from this traditional, categorical system, and toward empirically-based, dimensional, and transdiagnostic alternatives such as the Hierarchical Taxonomy...
Background. Rates of common bacterial sexually transmitted infections (STIs) are at an all-timereported high in the United States, while rates of new human immunodeficiency virus (HIV)
infections are declining. Among HIV-negative men and transgender women who have sex with
men, whom are theoretically at risk for both HIV and bacterial...