Tobacco is a product prepared from the leaves of the tobacco plant by curing them.Tobacco contains the alkaloid nicotine, which is a stimulant. Dried tobacco leaves are mainly used for smoking in cigarettes, cigars, pipe tobacco, and flavored hookah tobacco. They can be also consumed as snuff and chewed. Tobacco Consumption Harmful Affects of Tobacco Tobacco use is a risk factor for many diseases, especially those affecting the heart, liver, and lungs, as well as many cancers. Tobacco smoking poses a risk to health due to the inhalation of poisonous chemicals in tobacco smoke such as Carbon Monoxide , Cyanide , and Carcinogens which have been proven to cause heart and lung diseases and Cancer. Used Cigarette Butts According to the World Health Organization (WHO), tobacco is the single greatest cause of preventable death globally. The WHO estimates that tobacco caused 5.4 million deaths in 2004 and 100 million deaths over the course of the 20th century. Similarly, th...