Cigarettes contain more tan 4000 chemicals, which
are poisonous and lethal. One of the most important
chemicals is nicotine, which is what make people
addict to cigarettes because it sends a sensation to
the dopamine in the brain that is together with
pleasure. Also it has other chemicals like Cadmium ,
which is used in batteries and used in batteries,
1,3-Butadiene used in rubber manufacturing,
ammonia and other chemicals.