But that may not be the worst of it. CBS correspondent Jerry Bowen reports from Los Angeles.
Air pollution can actually cuase the heart to act abnormally.
A dozen nationwide studies have found that air pollution can trigger heart attacks and death in people already suffering from heart disease, the number one killer in America, and the cause is a surprise. It's particles, it's dust. The kind of dust and microscopic particles that blow up each spring in California's Coachella Valley where people have always lived to protect their health. I think definitely it saved my life. Monitoring disclosed his heart was beating abnormally.