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National Institutes of Health

NIMH-Funded National Comorbidity Survey Replication (NCS-R) Study: Mental Illness Exacts Heavy Toll, Beginning in Youth

Researchers supported by the National Institute of Mental Health (NIMH) have found that half of all lifetime cases of mental illness begin by age 14, and that despite effective treatments, there are long delays — sometimes decades — between first onset of symptoms and when people seek and receive treatment. The study also reveals that an untreated mental disorder can lead to a more severe, more difficult to treat illness, and to the development of co-occurring mental illnesses.

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