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Amount (per cigarette) Acetaldehyde: 980 micrograms to 1.37 milligrams Acrylonitrile: formerly 1 to 2 milligrams. This product was used as a fumigant in tobacco. Its use has since been discontinued. 4-Aminobiphenyl: 0.2 to 23 nanograms o-Anisidine hydrochloride: unknown Arsenic: unknown Benzene: 5.9 to 75 micrograms Beryllium: 0.5 nanograms 1,3 ...
Among the 250 known harmful chemicals in tobacco smoke, at least 69 can cause cancer." [7] [2] [8] [9] Although many of these additives are used in making cigarettes, each cigarette does not contain all of these additives. Some of these additives are found in cigarettes outside the USA too. [10] Some American brands are sold in other nations.
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 September 2024. Circumstances, mechanisms, and factors of tobacco consumption on human health "Health effects of smoking" and "Dangers of smoking" redirect here. For cannabis, see Effects of cannabis. For smoking crack cocaine, see Crack cocaine § Health issues. "Smoking and health" redirects here ...
Tar (tobacco residue) Tar is the name for the resinous, combusted particulate matter made by the burning of tobacco and other plant material in the act of smoking. Tar is toxic and damages the smoker's lungs over time through various biochemical and mechanical processes. [1] Tar also damages the mouth by rotting and blackening teeth, damaging ...
Another common source of benzene is cigarette smoke, which accounts for about half of the total U.S. population exposure to this chemical, according to the National Cancer Institute. Benzene is ...
e. Tobacco smoke is a sooty aerosol produced by the incomplete combustion of tobacco during the smoking of cigarettes and other tobacco products. Temperatures in burning cigarettes range from about 400 °C between puffs to about 900 °C during a puff. During the burning of the cigarette tobacco (itself a complex mixture), thousands of chemical ...
E-cigarette vapor contains fewer toxic chemicals, [81] and lower concentrations of potential toxic chemicals than cigarette smoke. [86] The vapor is probably much less harmful to users and bystanders than cigarette smoke, [84] although concern exists that the exhaled vapor may be inhaled by non-users, particularly indoors. [87]
Tobacco smoke is a complex mixture of more than 5,300 identified chemicals. The most important carcinogens in tobacco smoke have been determined by a "Margin of Exposure" approach. [ 44 ] Using this approach, the most important tumorigenic compounds in tobacco smoke were, in order of importance, acrolein , formaldehyde , acrylonitrile , 1,3 ...