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The National Comorbidity Survey: Reinterview (NCS-2) was a follow-up study conducted between 2001 and 2002. The participants in NCS-1 were re-interviewed with the aim to collect information about changes in mental disorders, substance use disorders , and the predictors and consequences of these changes over the ten years between the two surveys.
Substance use, also known as drug use, is a patterned use of a substance (drug) in which the user consumes the substance in amounts or with methods which are harmful to themselves or others. The drugs used are often associated with levels of substance intoxication that alter judgment, perception, attention and physical control, not related with ...
Cognition refers to what happens in the mind, such as mental functions like "perception, attention, memory, language, problem solving, reasoning, and decision making."[5] Although many studies have looked at the cognitive impairments of individuals who are dependent on one substance, there are few researchers who have tried to determine the problems with cognitive functioning that are caused ...
Dual diagnosis (also called co-occurring disorders (COD) or dual pathology) [1] [2] is the condition of having a mental illness and a comorbid substance use disorder.There is considerable debate surrounding the appropriateness of using a single category for a heterogeneous group of individuals with complex needs and a varied range of problems.
Cannabis use disorder (CUD), also known as cannabis addiction or marijuana addiction, is a psychiatric disorder defined in the fifth revision of the Diagnostic and Statistical Manual of Mental Disorders and ICD-10 as the continued use of cannabis despite clinically significant impairment.
The division of comorbidity as per syndromal and nosological principles is mainly preliminary and inaccurate, however it allows us to understand that comorbidity can be connected to a singular cause or common mechanisms of pathogenesis of the conditions, which sometimes explains the similarity in their clinical aspects, which makes it difficult ...
Polysubstance was used in the American Psychiatric Association's Diagnostic and Statistical Manual for Mental Disorders (DSM-IV 1994) to refer to three or more drugs (including alcohol) to which an individual has become dependent (i.e., meets the diagnostic criteria for substance dependence).
Benzodiazepine abuse is mostly limited to individuals who abuse other drugs, i.e. poly-drug abusers. Most prescribed users do not abuse their medication, however, some high dose prescribed users do become involved with the illicit drug scene. Abuse of benzodiazepines occurs in a wide age range of people and includes teenagers and the old.