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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]
This is an accepted version of this page This is the latest accepted revision, reviewed on 4 March 2025. 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. For ...
English: Fact: When it comes to your lungs, the effects of smoking include both immediate and long-term damage. Français : Description des effets de la cigarette sur les poumons . Беларуская: Як курэнне тытуню ўплывае на твае лёгкія .
Among the 250 known harmful chemicals in tobacco smoke, at least 69 can cause cancer." [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.
Smoke can obscure visibility, impeding occupant exiting from fire areas. In fact, the poor visibility due to the smoke that was in the Worcester Cold Storage Warehouse fire in Worcester, Massachusetts was the reason why the trapped rescue firefighters could not evacuate the building in time. Because of the striking similarity that each floor ...
The health effects of tobacco had been debated by users, medical experts, and governments alike since its introduction to European culture. [1] Hard evidence for the ill effects of smoking became apparent with the results of several long-term studies conducted in the early to middle twentieth century, such as the epidemiology studies of Richard Doll and pathology studies of Oscar Auerbach.
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It is added to gum and hard lozenges used for nicotine replacement therapy in smoking cessation, such as in the Nicorette range of products. The use of the polymer as a delivery system maximizes the amount of nicotine released and absorbed by the oral mucosa . 80 to 90 percent of the nicotine released from the gum is absorbed by the mouth.