عن التدخين
Smoking a phenomenon that has spread in many countries of the world, and has widened to include the phenomenon of millions of individuals from different social levels and all ages. The man began to practice smoking in 1492, where travelers Columbus noted that some residents of the city of San Salvador smoked tobacco and were carrying Jdhurat fire by igniting the grass that had been mounting of the smell of smoke Ittaiboa them. It was the first to enter the tobacco plant to Europe, doctor Franckohr Nndez sent by Philip II of Spain in the expedition. Has spread the habit of smoking in the fifteenth century has moved the practice from Mexico to the explorers of Spanish, and after the victory of Spain in the sixteenth century increased the prevalence of smoking, where I accept people do that to overcome hunger, fatigue and cold, which led to the addiction of many individuals to smoke. It is likely that tobacco had moved to the country's English through Spain, but there is some evidence to suggest that Ralveni the first governors of Virginia and Francis Drake Prince of traders known, had brought tobacco to England in 1586 and Ohdia Sir Ralli some of the tobacco, Sir Ralli is first .smoked tobacco in pipes
Containing cigarette smoke on thousands of chemical compounds, and when the draw smoker's breath cigarette these compounds up to the respiratory system and affects some of them to the safety and efficacy of this device, as Eetms some of these compounds simple by blood vessels deployed in the lung to reach a blood-borne to the members of the body different, such as brain, heart and arteries, causing these materials changes in physiology and exercise after smoking for a long time causes harmful substances in the smoke infections of the respiratory system, heart and arteries and other .organs
:Can be divided into material contained in cigarette smoke or cigar or pipe, or shisha to the following sections
:Substances affect the central nervous system
Smoke contains material absorbs mediated vascular spread in the lungs to the blood which carries it to the brain, nicotine is transmitted through the blood to the brain cells that lead to the article smoker enjoy smoking, which made him want to practice of smoking and addiction. Studies show that nicotine is readily absorbed through the membranes lining the mouth and mediated by the blood vessels deployed in the lung, and less absorption of nicotine-mediated membrane of the stomach and intestine, and up the nicotine from the lungs to the brain after 7.5 seconds to attract breath of cigarette, and this explains the speed of effect of nicotine on the brain, where affects certain centers and cause and enjoy a greater emphasis on the intellectual and overcome stress and anxiety and fatigue, and also helps to relax the muscles. And a low rate of nicotine in the blood to the text after about 20 minutes to put out the cigarette and this explains the desire of the smoker to light a cigarette again after a short period of extinguishing a .cigarette before
The Research indicates that nicotine helps to produce Morvinat brain endorphins and helps the secretion of other substances such as light adrenaline and dopamine, causing the secretion of these substances activate the centers ecstasy brain and this leads to enjoy the smoker nicotine, as is the secretion of these materials a major cause of symptoms deprivation after quitting smoking, since when off the smoker smoking eliminates the arrival of nicotine to the brain and this reduces the secretion of endorphins and other materials used to give pleasure to the smoker, but this long for a smoked .cigarette after take-off and is showing some symptoms that may Aihtmlha and tries to overcome by the exercise of smoking again
Cigarette smoke contains at least 15 articles on the cause of the cancer in the mouth, esophagus, lung and other organs, and include such materials .Alnitrozzamin compounds and aromatic amines and Abannzoubireden, in addition to radioactive elements such as Pulonim -210
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2014-12-25, 19:39
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