Chapter 19 Tobacco ingredients, additives, and radioactivity

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Of the EPA's list of class A carcinogens, vinyl chloride is reponsible for an estimated

30 deaths per year, asbestos about 15, and benzene seven or eight.

Smokescreen, p. 105

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"Humectants, or moisturizing agents, are used in cigarette tobacco blends to assist

with aerosol formation and thus make cigarette smoke 'milder.' The more that nicotine

can be dissolved in the tar droplets, the less irritating the smoke is to the consumer's

throat and the easier it is to inhale. Diethylene glycol, more familiar to most readers as

automotive antifreeze, was introduced as a humectant in cigarettes in the 1930's by

Philip Morris." It is unclear whether this additive is still used, since additives are trade

secrets.

The Cigarette Papers, pp. 223-225

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Concentrations of 4-aminobiphenyl and dimethylnitrosamine in sidestream smoke

exceed those of mainstream smoke by a factor of 30 to 100.

The Tobacco Epidemic, p. 114

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28 carcinogens have been identified in smokeless tobacco. The major carcinogens

are the N-nitrosamines; others include volatile aldehydes, benzopyrene, lactones,

urethan, hydrazine, coumarin, and radioactive polonium-210 and uranium-235 and

238.

Smokeless Tobacco or Health, p. 98

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Chemicals in cigarette smoke include ketones, phenols, nitriles, and acrolein.

Population and Development Review, June 1990, p. 2

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Thursday, July 06, 2000

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