The study, conducted by scientists at Northwestern University, analyzed blood samples from individuals who reported regular cannabis use and compared them to non-users. The researchers found notable differences in DNA methylation—a process that acts like a biological dimmer switch, turning gene activity up or down without altering the genetic code itself.
These changes were most prominent in genes associated with brain function, cardiovascular health, and immune response. According to the team, the alterations observed were similar in scale to those caused by tobacco use, raising questions about the long-term consequences of cannabis consumption on overall health.
Epigenetic changes can persist over time and may even influence how an individual’s body responds to disease or medication. While this research does not claim that cannabis use causes specific health problems, it opens the door to a new field of study focused on how cannabinoids might shape the biological landscape at the molecular level.
Importantly, the researchers noted that the study does not aim to stigmatize cannabis users but to highlight the need for further scientific exploration. As cannabis becomes increasingly legal and socially accepted across various parts of the world, understanding its full impact—especially at the epigenetic level—is becoming more essential.
This emerging evidence adds a new dimension to the ongoing public health conversation about cannabis. It emphasizes that legalization and normalization should be accompanied by a deeper, science-based understanding of its potential risks and benefits. As more data becomes available, medical professionals and policymakers alike may need to consider these epigenetic insights when shaping future cannabis-related legislation and health guidelines.
Dabbin-Dad Newsroom
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