Nicotine is one - probably the most commonly
recognised - of the many chemicals found in cigarettes. |
(Other chemicals found in cigarettes are
listed on the left:_Click on these
for further information about each.) |
Nicotine is a drug that has various and complex effects.
In small doses nicotine has stimulating effects such
as increasing activity, alertness and memory. Some regular users also
describe a pleasant relaxing effect. It also increases the heart rate
and blood pressure and reduces the appetite (one reason why some peoplew
have reported worries about gaining weight as a conseqquence of stopping
smoking). In large doses nicotine may lead vomiting and
nausea.
Regular users of nicotine may develop a physical dependency
on this chemical (drug). Some reports have suggest that the addictive
properties of nicotine are similar to those of heroin
and cocaine - but others consider this type of comparison to be unhelpful.
Nicotine is believed to have limited carcinogenic effects,
such as reducing the ability of the body to destroy potentially cancerous
cells. Nevertheless, nicotine is not thought to encourage
the development of cancer in healthy cells.
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Need help to stop smoking ?
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Stop Smoking ...
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