Environmental Tobacco Smoke

"Second Hand Smoke" redirects here. For the Sublime album, see Second-hand Smoke (album) Passive smoking is the involuntary inhalation of smoke from tobacco products. It occurs when tobacco smoke permeates any environment, causing inhalation by all people within that environment. Such smoke is called secondhand smoke or environmental tobacco smoke (ETS). Current scientific evidence shows that exposure to secondhand tobacco smoke causes death, disease, and disability.
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Smoke that comes from the burning end of a cigarette and smoke that is exhaled by smokers. Also called ETS or second-hand smoke. Inhaling ETS is called involuntary or passive smoking.

ETS. Smoke that comes from the burning of a tobacco product and smoke that is exhaled by smokers (second-hand smoke). Inhaling ETS is called involuntary or passive smoking.

Mixture of smoke from the burning end of a cigarette, pipe, or cigar and smoke exhaled by the smoker. (See: passive smoking/secondhand smoke.)