Abstract
Second-hand smoking (passive smoking or environmental smoke exposure) refers to air inhaled by a nonsmoker that is contaminated by smoke released from a burning cigarette or in the exhaled air of a person smoking a cigarette. More than 4,000 chemicals, including at least 43 known cancer-causing agents, have been identified from environmental smoke.1 In 1993, the United States Environmental Protection Agency (U.S. EPA) classified environmental smoke as a Class A carcinogen.
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Schedule a callMore From: Journal of the Islamic Medical Association of North America
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