Original sentence: It has been smoked in one form or another since about 2000 BC.There are pictoral drawings of ancient Mayans smoking crude cigars from 1400 BC.Tobacco has been growing on the northern continents since about 6000 BC and began being used by native cultures at about 3000 BC.Tobacco is an agricultural product processed from the fresh leaves of plants in the genus Nicotiana.Tobacco smoking is the act of inhaling the smoke of dried or cured leaves of the tobacco plant and inhaling the smoke for pleasure, for ritualistic or social purposes, self-medication, as well as to satisfy a physiological dependence on nicotine.Tobacco smoking took hold in Spain and was introduced to the rest of the world, via trade
Edited sentence: Tobacco smoking is inhaling the smoke of dried or treated leaves of the tobacco plant to satisfy a physiological dependence on nicotine or for ritualistic or social purposes.Tobacco smoking took hold in Spain and was introduced to the rest of the world via trade