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It may also lead to a condition known as popcorn lung, where the small airways become narrowed and scarred

Iris Toxicological Review of Formaldehyde-Inhalation

This marker is often viewed as the gold standard for assessing nicotine exposure due to the objectivity of these measures and the decreased susceptibility to reporting bias

Signs of infection include: worsening of pain swelling pus or drainage from the wound Other signs might include a rash that spreads or increases in size, and a fever

Additionally, exposure to this chemical increases your risk of developing leukemia, a type of cancer that originates in the bone marrow