Medical Point Of View Smoking
Why so hard to quit? – Smoking is not only unhealthy but is a nuisance to the public. On the other hand quitting is not easy because it is a complex addiction, say experts, supported on three points: one biological, which is the effect of nicotine on the brain, another 
personality, which makes some people link their leisure activities and management of stressful situations on the cigarette, and the third to the social aspect, which many people relate to others through the cigarette, especially in adolescence, helps build an image staff. You start smoking by the social mechanism and then set the neurobiological dependence.
From the medical point of view smoking as an addiction and this is the main reason why it costs the smoker stop consuming. Nicotine is the drug that determines that the smoker is addicted.
The withdrawal causes the need to light another cigarette smoking to incorporate the usual dose of nicotine in your body. To understand the process of nicotine addiction have to travel the neurobiology of addiction. Cigarettes contain hundreds of chemicals, many of which are carcinogenic or toxic substances such as tar, carbon monoxide, ammonia, arsenic, etc.. These substances are responsible for an average smoker live 10 years less than a nonsmoker.
So snuff to quit now … To my students in the School Chef of the Institute of the Andes, I repeat periodically professional harm smoking causes them to stunt their taste buds that are its tools, the results are quite encouraging, every day there are fewer smokers.
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