Second-hand smoke from cigarettes causes many of the same health problems as smoking, including cancer, which has led to legislation and policy that has prohibited smoking in many workplaces and public areas. Every year, tobacco cigarettes kill more than 8 million people worldwide with 1.2 million of those being non-smokers dying as the result of exposure to second-hand smoke. About half of cigarette smokers die of tobacco-related disease and lose on average 14 years of life. Nicotine, the psychoactive drug in tobacco, makes cigarettes highly addictive. Researchers have identified negative health effects from smoking cigarettes such as cancer, chronic obstructive pulmonary disease (COPD), heart disease, and other health problems relating to nearly every organ of the body. Since the 1920s, scientists and doctors have been able to link smoking with respiratory illness. A cigarette is distinguished from a cigar by its usually smaller size, use of processed leaf, and paper wrapping, which is typically white. The term cigarette, as commonly used, refers to a tobacco cigarette, but the word is sometimes used to refer to other substances, such as a cannabis cigarette or an herbal cigarette. Cigarette smoking is the most common method of tobacco consumption. The cigarette is ignited at one end, causing it to smolder the resulting smoke is orally inhaled via the opposite end. A cigarette is a narrow cylinder containing a combustible material, typically tobacco, that is rolled into thin paper for smoking.
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