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Attention-deficit/h...
Attention-deficit/hyperactivity disorder and risk for substance use disorders in relatives.
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- Skoglund, Charlotte (författare)
- Karolinska Institutet
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- Chen, Qi (författare)
- Karolinska Institutet
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- Franck, Johan (författare)
- Karolinska Institutet
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- Lichtenstein, Paul (författare)
- Karolinska Institutet
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- Larsson, Henrik, 1975- (författare)
- Karolinska Institutet
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(creator_code:org_t)
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- ISSN 0006-3223
- Philadelphia, USA : Elsevier BV, 2015
- 2015
- Engelska.
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Ingår i: Biological Psychiatry. - Philadelphia, USA : Elsevier BV. - 0006-3223 .- 1873-2402. ; 77:10, s. 880-6
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Abstract
Ämnesord
Stäng
- BACKGROUND: Previous research indicates that attention-deficit/hyperactivity disorder (ADHD) is highly associated with substance use disorders (SUD). However, these studies have failed to clarify the nature of the overlap. The main aim of this study was to explore whether the overlap between ADHD and SUD could be explained by shared genetic and environmental factors or by harmful effects of ADHD medication.METHODS: We employed a matched cohort design across different levels of family relatedness recorded from 1973-2009. By linking longitudinal Swedish national registers, 62,015 ADHD probands and first-degree and second-degree relatives were identified and matched 1:10 with control subjects without ADHD and their corresponding relatives. Any record of SUD was defined by discharge diagnoses of the International Classification of Diseases or a purchase of any drug used in the treatment of SUD.RESULTS: First-degree relatives of ADHD probands were at elevated risk for SUD (odds ratios 2.2 and 1.8) compared with relatives of control subjects. The corresponding relative risk in second-degree relatives was substantially lower (odd ratios 1.4 and 1.4). The familial aggregation patterns remained similar for first-degree and second-degree relatives after excluding individuals with coexisting disorders such as schizophrenia, bipolar disorder, depression, and conduct disorder.CONCLUSIONS: Our findings suggest that the co-occurrence of ADHD and SUD is due to genetic factors shared between the two disorders, rather than to a general propensity for psychiatric disorders or harmful effects of ADHD medication.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Psykiatri (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Psychiatry (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
Nyckelord
- ADHD
- Alcohol use disorder
- Comorbidity
- Drug abuse
- Family study
- Substance use disorder
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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