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Consequences of adolescent drug use
Michael R Steinfeld1,2, Mary M Torregrossa3,4
1Department of Psychiatry, University of Pittsburgh, 450 Technology Drive, Pittsburgh, PA, 15219, USA. mis345@pitt.edu.
Translational Psychiatry
|October 6, 2023
Summary
Adolescent substance use, including alcohol, cannabis, and nicotine, can alter brain development and lead to long-term neuropsychiatric issues. This review examines recent findings on these effects in various species.
Area of Science:
- Neuroscience
- Developmental Psychology
- Addiction Research
Background:
- Adolescent substance use is a significant risk factor for adult neuropsychiatric and substance use disorders.
- Brain development during adolescence is particularly vulnerable to drug-induced alterations.
- Despite educational efforts, adolescent substance initiation remains a global concern, with many unanswered questions regarding its predictors and consequences.
Purpose of the Study:
- To review recent literature on the neurobiological and behavioral effects of adolescent substance use.
- To focus on alcohol, cannabis, nicotine, and their interactions.
- To synthesize findings across rodents, non-human primates, and humans.
Main Methods:
- Literature review of recent scientific publications.
- Analysis of studies involving animal models (rodents, non-human primates) and human subjects.
- Focus on neurobiological and behavioral outcomes.
Main Results:
- Adolescent consumption of alcohol, cannabis, and nicotine can induce lasting changes in brain structures and networks.
- These neurobiological alterations are associated with enduring effects on behavior, emotion, and cognition.
- Interactions between different substances may exacerbate negative outcomes.
Conclusions:
- Substance use during adolescence poses a substantial risk for long-term cognitive, emotional, and behavioral deficits.
- Understanding these effects is crucial for developing effective prevention and intervention strategies.
- Further research is needed to fully elucidate the complex interplay of factors influencing adolescent substance use and its consequences.
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