Epigenomic Evidence Links Cannabis Exposure to Birth Defects, Cancer, and Accelerated Aging Across Generations

Longitudinal epigenome-wide association studies showed cannabinoid exposure disrupts chromosomal segregation, DNA repair, methylation machinery, and telomerase function. These disruptions map onto observed patterns of teratogenesis (810 cancer-related hits noted), carcinogenesis, and accelerated epigenomic aging clock in cannabis-exposed patients.

Synthetic review combining epidemiological data from multiple jurisdictions (Canada, Australia, US, Europe) with recent longitudinal epigenome-wide association studies to create a mechanistic framework.

This paper proposes a unified mechanism (epigenomic disruption) to explain several concerning epidemiological patterns associated with cannabis exposure. Whether the proposed causal framework holds up to scrutiny has major implications for public health policy.

This is from Reece and Hulse, who have published extensively on cannabis genotoxicity. Their work is controversial in the field, with critics noting methodological concerns about ecological fallacy and confounding. The epigenomic data add a mechanistic layer to their earlier epidemiological claims.

Conceptual overview synthesizing disparate data sources. Ecological epidemiological data are subject to confounding and ecological fallacy. Causal claims rely on E-values and mechanistic plausibility rather than controlled experiments. Some prior epidemiological work by these authors has been critiqued for methodology.