Secondhand smoke has been classified as a known cause of lung
cancer in humans (Group A carcinogen).
Review Date: 09/26/2010
Reviewed By: David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc., and Yi-Bin
Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts
General Hospital.
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)
