MedlinePlus Medical Encyclopedia: Secondhand Smoke and Lung Cancer

Skip navigation

Medical Encyclopedia

Secondhand Smoke and Lung Cancer

Secondhand smoke has been classified as a known cause of lung cancer in humans (Group A carcinogen).

Update Date: 2/7/2007

Updated by: Glenn Gandelman, MD, MPH, Assistant Clinical Professor of Medicine, New York Medical College, Valhalla, NY. Review provided by VeriMed Healthcare Network.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 1997-2008, A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.