Smoking is the biggest cause of ill health and premature death in the U.K. by claiming over 120,000 lives per year, with smoking being the cause of one third of all cancer deaths (40,000 and 82% being lung cancer)

I have produced this list to highlight the main deadly ingredients  a cigarette contains.

There are in fact over 600 ingredients in a cigarette ranging from the bizarre to the deadly. 

The main ones only are listed below;

Formaldehyde……………used for embalming dead
                                            bodies
Ammonia …………………household bleach
Acetone……………………paint stripper  
Cadminium………………. .used in batteries  
Aluminium…………………metal linked with Alzheimer’s
                                            disease
Hydrochloric acid…………industrial agent  
Ethanol ……………………used in antifreeze
Furfural……………………………industrial alcohol
Maltol……………………………strong alcohol
Para-methoxycinnamaldehyde…slug pellets
Nicotine……………………highly toxic nerve poison. 
A dosage of fifty thousandths of a gram will kill a person.  
Carbon monoxide …………compound produced by car exhausts D.D.T……………banned pesticide  
Hydrogen cyanide…................Used in gas chambers in
                                                  the U.S.A