Cannabis use linked to epigenetic changes in human DNA

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Marijuana use may alter DNA methylation and impact health, new study finds.

Recent research conducted by Northwestern Medicine has shed light on the impact of marijuana use on the human epigenome, revealing associations between cannabis consumption and changes in DNA methylation. The study, published in the journal Molecular Psychiatry, delved into the long-term effects of marijuana use on the epigenetic factors that regulate gene expression and control how our bodies function.

Marijuana remains the most widely used drug in the United States, with approximately 48.2 million people, or roughly 18% of all Americans, reporting marijuana use at least once in 2019, according to data from the Centers for Disease Control and Prevention (CDC).

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