A dialogue between two friends about bad effects of smoking.

     Friend       : Hi friend, how are you?

     Myself      : I am fine and you?

     Friend       : I am not so fine.  

     Myself      : But why? 

     Friend       : My uncle is very sick.

     Myself      : What kind of sickness?

     Friend       : He has been suffering from cancer.

     Myself      : What type of cancer?

     Friend       : It is liver cancer.

     Myself      : How is he attacked with liver cancer?

     Friend       : He is a chain smoker.

     Myself      : How long has he been smoking?

     Friend       : It is about 30 years.

     Myself       : 30 years! It is really a long time. But how is it related to cancer? 

     Friend       : Smoking is the source of all fatal diseases like bronchitis, heart attack, cough, cancer and so on.

     Myself      : Smoking is really very injurious for health.

     Friend       : Why is smoking injurious?

     Myself      : Smoke contains nicotine. It is one kind of harmful poison for human body.

     Friend       : What is the worst effect of smoking?

     Myself      : It ruins the golden future of a man specially a student who starts smoking.

     Friend       : Ok, bye. I have to go now.

 

     Myself      : bye.