Smoking is a hard habit to break because tobacco contains
nicotine, which is highly addictive. Like heroin and other
addictive drugs, the body and mind quickly ___1___
so used to the nicotine in cigarettes that a person needs to
have it just to feel normal. People start ___2___
for a variety of different reasons. Some people think it looks
cool. Others start because ___3___
family members or friends smoke. ___4___
show that about 9 out of 10 tobacco users start smoking before
they turn 18 years old. Most adults who started smoking ___5___
their teens never expected to become addicted.
There are no physical reasons to start smoking. The body does
not need tobacco the way it ___6___
food, water, sleep and exercise. In fact, many of the chemicals
in cigarettes, like nicotine and cyanide, are actually ___7___
that can kill if consumed in high doses. |