ஒரு தம்முல என்ன என்ன இருக்கு

The smoke from a cigarette contains more than 4000 chemicals, which could have various toxic, mutagenic and carcinogenic effects. The content and concentration of chemical ingredients can vary widely from one brand or type of cigarette to the next.
Below is a list of few of the chemicals and their harmful effects .

Acetone Cyanide Aluminum DDT/Dieldrin Ammonia Ethenol Arsenic Formaldehyde Benzene Hydrogen cyanide Butane Lead Cadmium Methanol Carbon monoxide Nicotine Carbon dioxide Tar Chloroform Vinyl Chloride