It is a product prepared from the tobacco plant leaves, by curing them.
Tobacco is available in smoking and smokeless variety.
Smoking tobacco –e.g-cigarette,bidi,hookah,snuf,cheroot,etc
Smokeless variety-e.g-gutkha,zarda,pan masala,khaini,etc
Tobacco is also available as dentrifice (used to clean teeth).
Due to strategic marketing by tobacco industry, there is an ever increasing number of people addicted to tobacco.
Smoking is a major risk factor for heart attacks, strokes, lung diseases and cancers.
Inhaling second hand smoke is equally dangerous and causes cancers in non smoking individuals.
Tobacco smoke contains tar and poisonous gases like carbon monoxide and nitrogen oxide.