Tobacco is the common name of several plants in the Nicotiana genus and the Solanaceae family, and the general term for any product prepared from the cured leaves of the tobacco plant. More than 70 species of tobacco are known, but the chief commercial crop is N. tabacum.
Explanation:
Dried tobacco leaves are mainly used for smoking in cigarettes, cigars as well as pipes and shishas . They can also be consumed as snuff, chewing tobacco, dipping tobacco and snus. Tobacco use is a risk factor for many diseases; especially those affecting the heart, liver, and lungs, as well as many cancers.