Smoking adults (Benjamin, 2011). Nicotine dependence is a significant

Smoking is one of the
most common risk factor for NCD. It is the leading cause of preventable death.
Smoking particularly when initiated at a young age leads to nicotine
dependence. Cigarette smoking is mix of more than 7000 toxic chemicals &
compounds. Among these, nicotine
is the main chemical compound that is responsible for causing & sustaining
addiction of smoking (Picco
et al., 2012).

.In
Nepal, 15000 people every year die due to tobacco consumption and nicotine
dependence. Nepal has high mortality rates as a result of high smoking rates
among adolescents population(Sreeramareddy et
al., 2011). Adolescents are more easily addicted to smoking than adults (Benjamin, 2011).

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Nicotine
dependence is a significant public health problem which causes an obstacle for
smoking cessation among smokers(Aryal et al.,
2015).Nicotine dependence is an addiction to tobacco products caused by
the chemical nicotine present in tobacco. It produces physical and mood
altering effects on brain that are pleasing to the person which causes its
dependency (mayo clinic).

Nicotine
is present in tobacco which is a substance that is recognized as an addictive.
Nicotine is a key for dependence, including compulsive use, despite the
repeated attempts to quits smoking. Cigarettes, unlike other chewed tobacco,
rapidly enable nicotine to reach the human brain within seconds of
inhalation.  In 2000, it was estimated
that tobacco killed approximately 4 million people worldwide – 2 million each
in developed and developing countries. By 2030, it is expected to be 1 in 6 or
10 million deaths each year and 70 per cent of them would occur in developing
countries. By 2030 tobacco is assumed to become the number one killer. (MOHP, 2012). Nicotine dependence
causes a main role in sustaining smoking among adolescents which increase from
experimental patterns to regular use of smoking(Rojas
et al., 1998).

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