Polycyclic aromatic hydrocarbons (PAHs) are classified as Group 1 carcinogen by the IARC, meaning they are seen as a definite cause of cancer in humans.

PAHs can be swallowed, breathed in, or in some cases, pass through the skin. The body can convert small amounts of PAHs into breakdown products that leave the body in the urine and feces. Long-term exposure can cause lung and skin cancer.

Solutions and good practices:

References: CDC, IARC
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