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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 substances are generated by combustion, distillation, pyrolysis and pyrosynthesis. [1] [2] Tobacco smoke is used as a fumigant and inhalant.
[7] [2] [8] [9] See: Health effects of tobacco smoking and List of cigarette smoke carcinogens. 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.
The smoke from tobacco elicits carcinogenic effects on the tissues of the body that are exposed to the smoke. [ 89 ] [ 100 ] [ 94 ] [ 101 ] Regular cigar smoking is known to carry serious health risks , including increased risk of developing various types and subtypes of cancers , respiratory diseases , cardiovascular diseases , cerebrovascular ...
E-cigarette vapor potentially contains harmful chemicals not found in tobacco smoke. [85] 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 ...
A 2011 report in the International Journal of Environmental Research and Public Health (IJERPH) lists 65 carcinogens or possible carcinogens: "Our list of hazardous smoke components includes all nine components reported in mainstream cigarette smoke that are known human carcinogens (IARC Group I carcinogens), as well as all nine components that ...
When the term tobacco product is used to refer to any product containing tobacco or nicotine and intended for consumption, a third and fourth category of such products may become relevant, and especially with regard to recent developments in methods of nicotine consumption: heated tobacco products (HTPs) and nicotine-only products (also called ...
Cigarette smoke contains numerous other potentially cardiotoxic substances, ... The nicotine content of popular American-brand cigarettes has increased over time, and ...
A heated tobacco product (HTP) [note 1] is a tobacco product that heats the tobacco at a lower temperature than conventional cigarettes. [32] These products contain nicotine, which is a highly addictive chemical. [32] The heat generates an aerosol or smoke to be inhaled from the tobacco, which contains nicotine [33] and other chemicals.