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Medicine

Epigenetic Modulation by Environmental Toxins and Cancer Risk

Quick fact

Environmental toxins like arsenic, benzene, and certain pesticides can alter DNA methylation patterns—adding or removing chemical tags on DNA—without changing the underlying genetic code. These changes can switch cancer-related genes on or off, and some are reversible, opening a door for future prevention.

Why this is interesting

Imagine a light switch that can be left on or off without ever changing the wiring of the house. What if the air you breathe could flip those switches, turning on genes that cause cancer?

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Epigenetic Modulation by Environmental Toxins and Cancer Risk

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