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Serious Mental Illness

SAMHSA is committed to promoting the prevention, treatment, and recovery of mental disorders and to bringing hope to adults who have serious mental illness (SMI) and children with serious emotional disturbances (SED).

About SMI and SED

Serious Mental Illness (SMI) and Serious Emotional Disturbance (SED) are diagnosable mental, behavioral, or emotional disorders that substantially interferes with a person’s life and ability to function. Learn more about SMI and SED.

father talking with son on the basketball court

Last Updated: 10/31/2024