Thanks for showing us you are valuable participation and I am glad that you have described each and everything in a very good manner. Tobacco and nicotine that are the main ingredients that are considered more harmful in the cigarette causes the addiction and due to its addiction they are called the more harmful drugs present in cigarette.

You have got the actual problem early otherwise you have to be very ill and have to face many problems give to the smoking that you were having.

Good thing is that you realised that you wiere wrong about smoking and it was over 25 years that you don't smoke again.Good luck to you