Polycyclic aromatic hydrocarbons exposure and hematotoxicity in occupational population: A two-year follow-up study

Highlights: • The first follow-up study to evaluate hematotoxicity from chronic PAHs exposure. • Negative association between white blood cells and PAHs exposure in population. • Oxidative stress might be a key role in potential hematotoxicity induced by PAHs. -- Abstract: Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous environmental and occupational pollutants. To date, the effect and mechanism by which PAHs exposure impaired hematopoietic system remains unclear.