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Updated: Jun 7, 2025

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Key insights into cannabis-cancer pathobiology and genotoxicity

Albert Stuart Reece1,2, Gary Kenneth Hulse1,2

  • 1University of Western Australia, Crawley, Western Australia, Australia.

Addiction Biology
|November 14, 2024
PubMed

Insights

Cannabis use causes mitochondrial stress, leading to DNA damage and aging across generations. This highlights the urgent need to protect genomic integrity, especially with increasing legalization and observed health issues.

Area of Science:

  • Genetics
  • Toxicology
  • Cell Biology

Background:

  • Mitochondrial inhibition and micronuclear fragmentation are known cannabis effects.
  • Mitochondrial stress is a newly identified driver of DNA damage and chromosomal breakage.
  • Genotoxic damage is linked to cancer, congenital anomalies, and aging.

Purpose of the Study:

  • To investigate the role of mitochondrial stress in cannabinoid genotoxicity.
  • To explore the mechanisms by which cannabis induces DNA damage.
  • To assess the transgenerational and multigenerational impacts of cannabinoid genotoxicity.

Main Methods:

  • Review of existing literature on cannabis, mitochondria, and genotoxicity.
  • Analysis of studies demonstrating links between mitochondrial dysfunction and DNA damage.
  • Examination of evidence for aging induction and transgenerational effects.

Main Results:

  • Mitochondrial stress directly drives micronucleus formation and chromosomal breakage.
  • Cannabinoid genotoxicity can rapidly induce aging in reproductive cells and organisms.
  • Evidence suggests significant transgenerational impacts of cannabis exposure.

Conclusions:

  • Cannabinoid genotoxicity, particularly through mitochondrial pathways, is a significant and overlooked concern.
  • The multigenerational impact necessitates prioritizing genomic and epigenomic integrity in policy discussions.
  • Cannabis legalization must consider the long-term health of future generations.
Keywords:
cannabischromothripsismicronucleus

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