Can you tell me about the point of smoking cigarettes?

Good question: But what is the point of using any mood-altering drug. Altering mood, obviously. People initiate smoking because its "cool, " hip and with-it, and sometimes to be oppositional to parents and fit in with the crowed. However, people keep smoking because they are addicted to nicotine, which is both a CNS stimulant and a muscle relaxant and helps concentration. Withdrawal causes irritability etc.