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Polycyclic aromatic hydrocarbons (PAHs) refer to organic compounds that are byproducts of incomplete combustion of fossil fuels and wood. One specific polycyclic aromatic hydrocarbon, 2-aminoanthracene (2AA), is a member of a broader group of compounds known as anthracenes, which have been classified by the United States Agency for Toxic Substances and Disease Registry (ASTDR) as one of a group of PAHs of top concern based on their greater potential risk for exposure and greater harmful effects to humans, compared to other PAHs. Previous research has shown that 2AA affects genes involved in carbohydrate and lipid metabolism, inflammatory stress responses, and immune system responses, among other processes. The objective of the present study was to examine the toxicity of dietary ingestion of 2AA from gestation through the postnatal period. Pregnant dams (Day 1) were purchased from …