Journal
FRONTIERS IN PSYCHIATRY
Volume 12, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fpsyt.2021.636228
Keywords
BDNF; HPA; CB1 receptor; depressive behavior; cannabinoids; suicide
Categories
Funding
- American Foundation for Suicide Prevention
- NIMH [MH085079, MH106935]
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Cannabis has been recognized for thousands of years, but recent research has highlighted the crucial role of the endocannabinoid system in regulating mood, impulsivity, and decision-making, with dysfunction potentially increasing the risk of negative mood and cognitive impairments. The literature suggests that targeting the endocannabinoid system could be a viable approach for treating various neuropsychiatric disorders.
Cannabis (marijuana) has been known to humans for thousands of years but its neurophysiological effects were sparsely understood until recently. Preclinical and clinical studies in the past two decades have indisputably supported the clinical proposition that the endocannabinoid system plays an important role in the etiopathogeneses of many neuropsychiatric disorders, including mood and addictive disorders. In this review, we discuss the existing knowledge of exo- and endo-cannabinoids, and role of the endocannabinoid system in depressive and suicidal behavior. A dysfunction in this system, located in brain regions such as prefrontal cortex and limbic structures is implicated in mood regulation, impulsivity and decision-making, may increase the risk of negative mood and cognition as well as suicidality. The literature discussed here also suggests that the endocannabinoid system may be a viable target for treatments of these neuropsychiatric conditions.
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