Beneficial and deleterious effects of cannabinoids in the brain: the case of ultra-low dose THC

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Abstract

This article reviews the neurocognitive advantages and drawbacks of cannabinoid substances, and discusses the possible physiological mechanisms that underlie their dual activity. The article further reviews the neurocognitive effects of ultra-low doses of ∆9-tetrahydrocannabinol (THC; 3–4 orders of magnitude lower than the conventional doses) in mice, and proposes such low doses of THC as a possible remedy for various brain injuries and for the treatment of age-related cognitive decline.

Original languageEnglish
Pages (from-to)551-562
Number of pages12
JournalAmerican Journal of Drug and Alcohol Abuse
Volume45
Issue number6
DOIs
StatePublished - 2 Nov 2019

Keywords

  • Tetrahydrocannabinol
  • aging
  • biphasic dose-dependency
  • cognitive decline
  • neuroprotection
  • neurotoxicity

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