Therapy’s efficacy varies by disorder

A 2025 meta-analysis (Harrer et al.) finds psychotherapy has large effects for phobias, PTSD, OCD, and social/generalized anxiety, moderate for depression, and small but positive effects for psychosis and suicidal ideation. It also reports similar effectiveness in non‑Western and low‑/middle‑income countries compared with Western, wealthy settings. — Quantified, cross‑disorder effect sizes and cross‑region parity can guide resource allocation, set realistic expectations, and counter claims that therapy is primarily a Western intervention.