Cannabis smoking changes your DNA, leaving epigenetic scars
DNA
By Vijay Kumar Malesu Reviewed by Susha Cheriyedath, M.Sc. Jun 30 2025 New research shows that regular cannabis smokers bear genetic scars similar to tobacco users, but quitting can help the body recover, highlighting the potential for blood-based biomarkers in public health surveillance. Study: DNA methylation profiles of long-term cannabis users in midlife: a comprehensive evaluation of published cannabis-associated methylation markers in a representative cohort . Image Credit: Mar Fernandez /
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