This a reference guide for the treatments studied in the randomized controlled trials. They are categorized into six types of treatments: psychotherapy, pharmacotherapy, complementary and integrative health (CIH), nonpharmacologic biological, nonpharmacologic cognitive and collaborative care. A final category is control interventions, which are comparison conditions. The lists below each treatment category are examples of the types of treatments that fall within each category. It includes most but not all of the possible treatments.