Tobacco
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Tobacco is an agricultural product processed from the leaves of plants in the genus Nicotiana. It can be consumed, used as a pesticide and, in the form of nicotine tartrate, used in some medicines. It is most commonly used as a drug, and is a valuable cash crop for countries such as Cuba, India, China, and the United States. Tobacco is a name for any plant of the genus Nicotiana of the Solanaceae family (nightshade family) and for the product manufactured from the leaf and used in cigars and cigarettes, snuff, and pipe and chewing tobacco. Tobacco plants are also used in plant bioengineering, and some of the 60 species are grown as ornamentals. The chief commercial species, N. tabacum, is believed native to tropical America, like most nicotiana plants, but has been so long cultivated that it is no longer known in the wild. N. rustica, a mild-flavored, fast-burning species, was the tobacco originally raised in Virginia, but it is now grown chiefly in Turkey, India, and Russia. The alkaloid nicotine is the most characteristic constituent of tobacco and is responsible for its addictive nature. The harmful effects of tobacco derive from the thousands of different compounds generated in the smoke, including polycyclic aromatic hydrocarbons (such as benzpyrene), formaldehyde, cadmium, nickel, arsenic, radioactive polonium-210, tobacco-specific nitrosamines (TSNAs), phenols, and many others.
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| International Tobacco Growers' Association International Tobacco Growers' Association www.tobaccoleaf.org - Web |
| Natural Resources Conservation Service Plant Sheet... Natural Resources Conservation Service Plant Sheet - Wild tobacco plants.nrcs.usda.gov/factsheet/pdf/fs_niru.pdf - Web |
| Ottoman Back Archives and Research Centre Ottoman Back Archives and Research Centre www.obarsiv.com/english/archive.html - Web |
Gallery for «Tobacco»
Average relevance
| Questions on European Union partial ban on some sm... Questions on European Union partial ban on some smokeless tobacco products (i.e. snus) news.bbc.co.uk/2/hi/health/3300769.stm - Web |
| Scientists Search for Healthy Uses for Tobacco Scientists Search for Healthy Uses for Tobacco www.voanews.com/.../2005-11-30-voa79.cfm?CFID=60937799&CFTOKEN=87949569 - Web |
| Timeline of tobacco history Timeline of tobacco history www.tobacco.org/resources/history/Tobacco_History.html/ - Web |
| The European tobacco growers website The European tobacco growers website www.savetobaccogrowers.com - Web |
| The Legacy Tobacco Documents Library The Legacy Tobacco Documents Library legacy.library.ucsf.edu - Web |
| UCSF Tobacco Industry Videos Collection UCSF Tobacco Industry Videos Collection www.archive.org/details/tobaccoarchives - Web |
| CDC - Smoking and Tobacco Use Fact Sheet CDC - Smoking and Tobacco Use Fact Sheet www.cdc.gov/.../index.htm - Web |
| TobReg TobReg www.who.int/tobacco/global_interaction/tobreg/en/ - Web |
Low relevance
| - Statistics and general information about the eff... - Statistics and general information about the effects of secondhand-smoke www.cancer.org/.../secondhand-smoke - Web |
