Tobacco causes many diseases, but at the same time it cures diseases. Causing more than 85%-90% of all lung cancer cases, tobacco contains more than 4,000 chemical compound which includes at least 43 cancer causing compounds. These chemical compounds cause lung cancer, emphysema, and other respiratory diseases. In 1577, European doctors recommend tobacco for toothaches, falling finger nails,  worms, halitosis, lock jaw & cancer.

Chewing tobacco and inhaling snuff can cause cancer of the mouth, nose, throat, and can lead to nicotine addiction. There are three other forms of tobacco that are smoked - cigarettes, pipes and cigars. It also contributes to heart diseases and low birth.