Although tobacco use has declined in the past 40 years, 1 in 17 high school seniors use some type of tobacco product on a daily basis.
Tobacco is the common name for several plants of the genus Nicotiana in the Solanaceae family and the general term for products made from the dried leaves of these plants.
Over 70 species of tobacco are known, but the most important commercial crop is his N. tabacum. Some countries also use a more potent subspecies N.rustica.
Dried tobacco leaves are mainly used for smoking tobacco, cigars, pipes and hookahs. It can also be consumed as snuff, chewing tobacco, steeping tobacco, and snus.
Tobacco contains the highly addictive pleasure alkaloids nicotine and the harmara alkaloids.
Tobacco use is a cause or risk factor for many fatal diseases, especially heart, liver, lung, and many types of cancer. In 2008, the World Health Organization named tobacco use the number one preventable cause of death.
Learn more about tobacco here : brainly.com/question/13222662
#SPJ4
