Depression (Major Depressive Disorder) — Causes, PHQ-9, SSRIs, CBT & Treatment Guide
Depression (major depressive disorder) affects 280 million people globally and is the leading cause of disability worldwide. Diagnosed using PHQ-9 or ICD-11 criteria. Learn about SSRIs (sertraline, fluoxetine), SNRIs, CBT (cognitive behavioural therapy), TMS, esketamine, and suicide risk assessment.