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Definition
of
Substance misuse
from
NICE Guideline NG58 - Coexisting severe mental illness and substance misuse: community health and social care services
Source
Substance misuse refers to the use of legal or illicit drugs, including alcohol and medicine, in a way that causes mental or physical damage. This may include low levels of substance use that would not usually be considered harmful or problematic, but may have a significant effect on the mental health of people with a mental illness such as psychosis.
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