Secondhand smoke is the smoke emanating from cigarettes, pipes, cigars and the smoke a smoker exhales.  It is also referred to as environmental tobacco smoke (ETS), involuntary smoking, or passive smoking.  Smoke emitted from cigars, cigarettes, or pipes is sometimes called sidestream smoke; whereas exhaled smoke from a smoker is called mainstream smoke.  Many concerned … Continue reading How Secondhand Smoke Affects Children