Cancer mortality risk, fine particulate air pollution, and smoking in a large, representative cohort of US adults

ConclusionsExposure to PM2.5 air pollution contributes to lung cancer mortality and may be a risk factor for other cancer types. Cigarette smoking has a larger impact on cancer mortality than PM2.5 , but is associated with similar cancer types.
Source: Cancer Causes and Control - Category: Cancer & Oncology Source Type: research