Can Substance Abuse Lead to Mental Illness?

Drowning- hand reaching above sea surface; how substance abuse can lead to mental illness, Castle Craig rehab

There is a well-known relationship between substance abuse and mental illness. At Castle Craig Hospital, we find that about half of people with alcohol or drug problems also have a co-occurring illness. Several factors influence this connection. In many cases, an underlying condition instigates substance abuse. However, substance abuse can also trigger mental illness itself. …

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