In the long human effort to understand why the air we breathe sometimes turns against us, researchers at the American Cancer Society and Emory University have identified eight molecules in human blood that appear to carry the chemical memory of air pollution exposure — present in the body years before lung cancer emerges. The finding does not yet offer a test or a cure, but it traces a biological thread from an environment most people cannot choose to the cancer that claims more American lives than any other. It also illuminates a quiet inequity: the millions who never smoked but breathe pollu
Air Pollution Leaves Blood Signatures Years Before Lung Cancer
Lung cancer kills more people in the United States than any other cancer, with over half of diagnoses occurring in never-smokers or former smokers.