Causes For smoking

We find that sub-consciously smokers have fallen in a habit simply by imitating the smokers in the society.If we ask smokers, we can find different answers to the smokers in the society.However, the main causes for smoking are listed below.
1)Sometimes as a matter of joke and fun and under the pressure of otherbad company.
2)If all the members at home have a habit to smoke,the children also imitate such habit.
3)Some people begin to smoke by the influence of smokers in their society or working places.
4)Some young person begin to smoke as a fashion.
5)Not only the smokers,non-smokers too are equally affected with smoking if thy are nearer to a smoker.