Policy Documents

Environmental Tobacco Smoke and Tobacco Related Mortality in a Prospective Study of Californians, 1960-98

James E. Enstrom and Geoffrey C. Kabat –
May 17, 2003

Several major reviews have determined that exposure to
environmental tobacco smoke increases the relative risk
of coronary heart disease, based primarily on comparing
never smokers married to smokers with never smokers
married to never smokers. The American Heart Association, the California Environmental Protection
Agency, and the US surgeon general have concluded
that the increase in coronary heart disease risk due to
environmental tobacco smoke is 30% (relative risk
1.30).