Search results
Results from the WOW.Com Content Network
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.
Brazil's third batch of graphic images (since replaced), mandatory on all cigarette packs. Philippines. Graphic tobacco packaging warning messages from 2016 to 2018. Commercial tobacco smoke is a mixture of more than 5,000 chemicals. [1]
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.
The modern cigarette market includes mainly filter cigarettes that are 80, 85, 100, or 120 millimetres (3 + 1 ⁄ 8, 3 + 3 ⁄ 8, 3 + 7 ⁄ 8, or 4 + 3 ⁄ 4 in). [11] Cigarettes filters were originally made of cork and used to prevent tobacco flakes from getting on the smoker's tongue. Many are still patterned to look like cork. [1]
Smoker melanosis in a patient consuming 2 packs of cigarette per day. Smoking or the use of nicotine-containing drugs is the cause to Smoker's melanosis. [10] [11] Tar-components (benzopyrenes) are also known to stimulate melanocytes to melanin production, and other unknown toxic agents in tobacco may also be the cause.
For premium support please call: 800-290-4726 more ways to reach us
When studying the environmental effects of cigarette filters, the various chemicals that can be found in cigarette filters are not studied individually, due to the complexity of doing so. Researchers instead focus on the whole cigarette filter and its LD 50. LD 50 is defined as the lethal dose that kills 50% of a sample population. This allows ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!