How Does Tobacco Use Affect the Human Body?

Affect of Tobacco

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According to the statistics, tobacco smoking is the second most important reason for the human mortality after cardiovascular diseases. Millions of people die from diseases every year because of the constant smoking. On average, the smokers live 12 years less than non-smokers. Statistics say that at the present days, more than 600 million people are constant smokers in the world. It is expected, that one of two of them will die due to diseases, provoked by smoking, sooner or later.


Lung Diseases and Cancer

lungs are the body organ that suffers the most from smoking. Tobacco smoke damages the pulmonary epithelium, which usually causes a morning cough, chronic bronchitis, chronic pulmonary disease, emphysema, and lung cancer. Chronic bronchitis and emphysema occur ten times more often for smokers than for non-smokers.  Lung cancer kills more likely men than women, this is due to the simple fact that the number of male smokers is greater in absolutely all countries of the world. Among cancers in women, smoking causes the most common cancer, even exceeding the mortality and frequency of both breast and stomach cancers. In the middle of the 20th century, smoking became more popular. Women began to smoke actively, a sharp jump of lung cancer occurrence in women was recorded in the US by 1965. At the end of the century, the number of women with lung cancer was twice that of women suffering from breast cancer and stomach cancer combined. At this point in time, not only in the US, but throughout in the world, lung cancer, caused by smoking, is the most common oncological disease. Statistics of chronic obstructive pulmonary disease are even more sorrowful. An obstruction of the respiratory tract in smokers develops much faster than in the ordinary people, often accompanied by strong painful sensations in the lungs. Cigarette smoke is a potent carcinogen, that not only destroys the pulmonary antitumor immunity, but also poisons cells, making them malignant. According to research conducted, the lung cancer occurs in around 18% of male and 12% of women smokers. To compare, among non-smoking people, the lung cancer develops only in 1.3% of men and 1.4% of women. Smokers are much more vulnerable to have tuberculosis. If a person smokes 20 cigarettes a day, the probability of active tuberculosis becomes four times higher than that of non-smokers. Smoking negatively affects absolutely all organs of the human respiratory system and promotes the development of various diseases, including incurable.


Cardiovascular System Disorders

he human cardiovascular system, smoking is also no less harmful. When smoking, the noxious substances are coming into the blood in fairly large doses, which can damage both heart and vessels. The negative effect of nicotine itself, in particular, manifests itself on the blood vessels as spasms and lower limbs. It can lead to blood clots, block the normal blood current in the vessels. The release of adrenaline-like substances into the blood during smoking leads to the tachycardia and, as the result, more need of the air to the normal heart functioning. For people with a reduced functionality of the coronary arteries, delivering large amounts of air to the heart muscles is impossible, and this fact leads to the damage or even the rupture of the heart muscles. The harmful substances in cigarettes result that atherosclerosis in smokers develops 2-3 times faster. The mortality of smokers due to the myocardial infarction and the heart attack is four times greater than that of non-smokers. Also, as the nicotine narrows the blood vessels, smokers can suffer from developing peripheral vascular diseases, such as arteries on the hands and feet, and this can lead to atrophic disorders and even gangrene.


Effects on the Digestive System

smoking has a very negative effect on the human digestive system, causing such diseases, as gastric and duodenal ulcers, inflammation of the intestine and so on. While smoking, the human saliva becomes more intense. Part of the inhaled nicotine is absorbed into the saliva and enters the stomach along with it, irritating the mucous membrane, provoking the release of more gastric juices and increasing acidity. Each cigarette smoked causes spasms in the vascular system of the stomach walls. The central nervous system stops receiving signals about the sensation of hunger and the appetite is strongly suppressed. In a short time, first gastritis, and then a stomach ulcer, may develop. Very often the smokers have various uncomfortable sensations in the digestive system, like eructations, burning, diarrhea or constipation. Smoking is strictly contraindicated in all diseases of the digestive tract. Statistics say that the full healing of duodenum ulcers in about 70% cases for non-smokers, and only at 30% for smokers. Cases of the death because of an ulcer happen twice as often in smokers.


Influence on the Genitourinary System

ine and various carcinogens, contained in a cigarette, affect the kidneys and the whole urinary tract. It is proved that the number of patients with genitourinary cancer among smokers is eight times bigger than among non-smokers. The results of statistical and medical research confirm that 88% of people with oncological diseases of the genitourinary system are heavy smokers. Cigarette smoke has a very negative effect on the sex glands. Smoking leads to the development of the sexual dysfunction and the impotence.


Other Negative Consequences of Smoking

l attraction among smoking women is decreasing. The women’s menstrual cycles are often broken. Obviously, smoking during pregnancy carries irreparable harm not only to the mother’s health, but also to the child’s one. Then, the lactation period for smoking women is considerably less than for non-smoking mothers. Children who drink milk from smokers are physically and mentally retarded from their peers in development. The doctors proved that smoking during pregnancy and the period of breastfeeding is one of the causes of the sudden death of babies. During menopause, smoking women are greatly losing the density of bone tissue, which leads to various injuries, as well as the development of osteoporosis. Smoking greatly reduces the immunity of a person, making it less resistant to various diseases. There is also a negative impact on the mental health, while a smoking person becomes more irritable and less restrained, especially in situations where the possibility of smoking is absent.

How many times have you tried to quit smoking? If you decided to quit smoking, such decision is absolutely correct, even if you are not completely sure of it. You will not worry that there are no cigarettes in the morning. Your clothes, skin, and hair will stop stinking. The color of your skin will become more pleasant, not gray. You will not suffer from the shortness while breathing and of the weak physical exertion. It is to add, you will significantly save money and time.