| Part of a series on | 
| Tobacco | 
|---|
| History | 
| Biology | 
| Personal and social effects | 
| Production | 
Tobacco is cured to dry and age it in preparation for human consumption. The color of the leaf changes with aging, also known as color curing. Tobacco is cured directly after it is harvested in nearly all instances where it is to be used for smoking or chewing.