The Green Smoke cigarette is better than real cigarette, it has no tar in it but does have nicotine.
tar
There are several hundred harmful chemicals in cigarette smoke. The most notable are probably tar and nicotine.
tar and something else which i forgot
tar.
Over 1,000 different substance all in them
All types of smoke have tar, which gets into the lungs and causes emphysema and/or chronic bronchitis. The only difference between pipe smoke and cigar/cigarette smoke is that pipe smoke - in my opinion - smells better.
nicotine tar carbon monoxide tobacco Hydrogen cyanide ammonia
There are several harmful pollutants in cigarette smoke including tar and nicotine.
Cigarette smoke irritates cells in the bronchi and this irritation triggers special cells to produce a layer of mucus designed to trap the foreign particles irritating the cells. This layer of mucus is then suppose to be swept away by the Cilia, though the tar found in cigarette smoke slows the action of the cilia. This tar accumulates in the mucus layer, because the cilia are not able to respond due to the presence of this tar. In conclusion, the mucus layer will gradually grow over time because the cilia will not be able to sweep away the accumulated foreign particles.
off the top of my head, nocotine, tar, benzene, CO.
Cigarette smoke contains carcinogens that can cause cancer, and it contains tar that can clog the bronchioles and lead to emphysema and bronchitis.