Fine particulate matter air pollution may be associated with blood vessel damage and inflammation among young, healthy adults, according to new research in Circulation Research, an American Heart Association journal.“These results substantially expand our understanding about how air pollution contributes to cardiovascular disease by showing that exposure is associated with a cascade of adverse effects,” said C. Arden Pope, Ph.D., study lead author and Mary Lou Fulton Professor of Economics at Brigham Young University in Provo, Utah.