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The endocannabinoid system (ECS) is increasingly linked to attention deficit hyperactivity disorder (ADHD). This review examines preclinical and clinical evidence on the ECS and ADHD, exploring potential therapeutic targets.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Pharmacology

Background:

  • The endocannabinoid system (ECS) is implicated in the pathophysiology of psychiatric disorders.
  • Attention deficit hyperactivity disorder (ADHD) shows neurobiological correlates with endocannabinoid function.
  • Cannabis use is more prevalent in individuals with ADHD, with a perceived therapeutic benefit.

Purpose of the Study:

  • To review preclinical and clinical evidence on the relationship between the ECS and ADHD.
  • To explore the ECS as a potential therapeutic target for ADHD.
  • To clarify the understanding of the ECS's role in ADHD.

Main Methods:

  • Scoping review of preclinical studies.
  • Scoping review of clinical studies.
  • Synthesis of existing evidence on ECS and ADHD.

Main Results:

  • Emerging evidence links ECS function to cognitive dysfunction in ADHD.
  • Prevalence of cannabis use and cannabis use disorder is higher in ADHD populations.
  • The precise relationship between cannabis use and ADHD symptomology requires further investigation.

Conclusions:

  • The ECS is a promising area for ADHD research and potential therapeutic interventions.
  • Further research is needed to understand the molecular alterations and therapeutic potential of the ECS in ADHD.
  • Clarifying the ECS-ADHD link is crucial for advancing treatment strategies.