There is NO Safe Amount of Exposure to Cigarette Smoke - New Study Finds

The study, published in the Aug. 20 issue of American Journal of Respiratory and Critical Care Medicine, found even "casual" smokers and those exposed to second-hand smoke suffer intial damage to the genes in their cells that line their airway.

The report on the U.S. Department of Health and Human Services' Web site says, "The bottom line: 'There is no level of cigarette smoking or exposure to cigarette smoke that does not make the cells in your lungs sick,' said study author Dr. Ronald Crystal, chief of the division of pulmonary and critical care medicine at New York-Presbyterian Hospital/Weill Cornell, in New York City."

Click here to view the full article on the new study.