Surgeon General Warns of Secondhand Smoke - New York Times

Secondhand smoke really does kill and there is no safe level of exposure, according to the Surgeon General's report. Here is another article on the report. That's why it is so important for people not to smoke anywhere there are especially vulnerable people such as children, pregnant women or sick relatives; they should go outside. Just living with a smoker, increases the risk of lung cancer and heart disease by up to 30%. Smoke-free environments are the only solution.