What Is Addiction? - Healthline
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WhatIsAddiction?MedicallyreviewedbyTimothyJ.Legg,Ph.D.,CRNP—WrittenbyMaraTyler—UpdatedonMay24,2018TypesSignsCausesStagesComplicationsTreatmentSupportWhat’sthedefinitionofaddiction?Anaddictionisachronicdysfunctionofthebrainsystemthatinvolvesreward,motivation,andmemory.It’saboutt