Smoking is one of themost common risk factor for NCD.
It is the leading cause of preventable death.Smoking particularly when initiated at a young age leads to nicotinedependence. Cigarette smoking is mix of more than 7000 toxic chemicals &compounds. Among these, nicotineis the main chemical compound that is responsible for causing & sustainingaddiction of smoking (Piccoet al., 2012).
.InNepal, 15000 people every year die due to tobacco consumption and nicotinedependence. Nepal has high mortality rates as a result of high smoking ratesamong adolescents population(Sreeramareddy etal., 2011). Adolescents are more easily addicted to smoking than adults (Benjamin, 2011).Nicotinedependence is a significant public health problem which causes an obstacle forsmoking cessation among smokers(Aryal et al.
,2015).Nicotine dependence is an addiction to tobacco products caused bythe chemical nicotine present in tobacco. It produces physical and moodaltering effects on brain that are pleasing to the person which causes itsdependency (mayo clinic).Nicotineis present in tobacco which is a substance that is recognized as an addictive.Nicotine is a key for dependence, including compulsive use, despite therepeated attempts to quits smoking. Cigarettes, unlike other chewed tobacco,rapidly enable nicotine to reach the human brain within seconds ofinhalation.
In 2000, it was estimatedthat tobacco killed approximately 4 million people worldwide – 2 million eachin developed and developing countries. By 2030, it is expected to be 1 in 6 or10 million deaths each year and 70 per cent of them would occur in developingcountries. By 2030 tobacco is assumed to become the number one killer. (MOHP, 2012). Nicotine dependencecauses a main role in sustaining smoking among adolescents which increase fromexperimental patterns to regular use of smoking(Rojaset al., 1998).