Compared to professionals in other fields, public school teachers are surprisingly unfree. In order to teach in most states they must take courses...
Multicenter Case-Control Study of Exposure to Environmental Tobacco Smoke and Lung Cancer in Europe
October 7, 1998
Our results indicate no association between childhood exposure to ETS and lung cancer risk. We did find weak evidence of a dose–response relationship between risk of lung cancer and exposure to spousal and workplace ETS. There was no detectable risk after cessation of exposure.
During the past 15 years, epidemiologic studies have been conducted on the association between exposure to environmental tobacco smoke (ETS) and lung cancer.
