There is a 20 to 30% increase in the risk of lung cancer from environmental tobacco smoke exposure associated with living with a smoker.

There is a 20 to 30% increase in the risk of lung cancer from environmental tobacco smoke exposure associated with living with a smoker.

1. U.S. Department of Health and Human Services. The Health Consequences of Involuntary Exposure to Tobacco Smoke: A Report of the Surgeon General. Atlanta, GA: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, Coordinating Center for Health Promotion, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, 2006. http://www.surgeongeneral.gov/library/secondhandsmoke/report/