期刊
FRONTIERS IN NEUROSCIENCE
卷 16, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fnins.2022.845646
关键词
monoamine-oxidase inhibitors; MAOI's; ADHD; attention-deficit; hyperactivity disorder; smoking; cigarette; e-cigarette; self-medication
资金
- Faculty of Health, University of Canterbury and University of Canterbury library
ADHD is a common neurodevelopmental disorder associated with increased dopamine receptor availability. It is linked to smoking and substance abuse. MAO inhibitors found in tobacco and e-cigarettes may contribute to smoking dependence among individuals with ADHD.
Attention-deficit/hyperactivity disorder (ADHD) is a relatively commonly occurring neurodevelopmental disorder affecting approximately 5% of children and young people. The neurobiological mechanisms of ADHD are proposed to particularly center around increased dopamine receptor availability related to associated symptoms of reduced attention regulation and impulsivity. ADHD is also persistent across the lifespan and associated with a raft of impulsive and health-risk behaviors including substance abuse and smoking. Research highlighting the potentially significant levels of monoamine oxidase (MAO) inhibitory properties in tobacco smoke and e-cigarettes may provide a mechanism for increased tobacco smoke dependence among those with ADHD, in addition to the role of nicotine. AimThis scoping review aimed to establish evidence for the above neurobiological pathway between smoking and ADHD symptom-alleviation or self-medication with the inclusion of the mechanism of MAO-inhibitors indirect increasing dopamine in the brain. MethodologyScoping review methodologies were employed in this review selected to synthesize multiple sources of empirical research to identify current gaps in the knowledge base and identify key characteristics of research data related to a phenomenon. Databases searched included OVID MEDLINE(R), Embase, Cochrane, PsycINFO and SCOPUS limited to 2000 onward and empirically validated, peer-reviewed research. FindingsThere is support for the role of MAO-inhibition on greater reinforcement of smoking for individuals with ADHD through a greater impact on dopaminergic availability than nicotine; potentially moderating ADHD symptoms. ConclusionGreater support for a self-medication model of ADHD and smoking includes not only nicotine but also MAO-inhibitors as dopamine agonists contained in cigarettes and e-cigarettes.
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