(HealthDay News) -- Smokers aren't the only ones being harmed by their habit. Secondhand smoke kills, too -- and children are among its victims.
In the United States alone, the American Cancer Society says secondhand smoke is responsible for an estimated 35,000 to 40,000 deaths from heart disease in people who are not current smokers; about 3,000 lung cancer deaths in nonsmoking adults; other respiratory problems in nonsmokers, including coughing, phlegm, chest discomfort and reduced lung function; and 150,000 to 300,000 lower respiratory tract infections (such as pneumonia and bronchitis) in children younger than 18 months.
Here are three places where you should be especially concerned about exposure to secondhand smoke: