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Smoking and its impact on human health
Smoking weakens and undermines the health, reduces work capacity, reduces life expectancy. One of the most dangerous diseases of chemical dependency attributable to bad habits - smoking.
Each year, the number of smokers die prematurely of about 2.5 million people. Smoking is especially dangerous in certain age periods - youth, old age. Smoke a lot people who lead unhealthy lifestyle or busy big hard work and little sleep. But we must not forget that the stimulation of the nervous system nicotine leads to depletion of energy of human capabilities. Smoking in intensive mode and causes fatigue phenomenon of acute poisoning: headache, pallor, dryness and bitterness in the mouth, heart spasms.
The connection between smoking and the occurrence of cancer lips, tongue, larynx, trachea, bronchi and lungs. Especially when tobacco smoking affects the respiratory system: chronic bronchitis occurs smoker gradually developing emphysema. Smokers cough always worried.
Smoking leads to disruption of vitamin exchange. There comes a lack of vitamin C, which is accompanied by irritability, fatigue, sleep disturbance, frequent colds. Insufficient absorption of vitamin A leads to night blindness (amblyopia at dusk).
Tobacco smoke affects the central nervous system, first exciting and then dominating it. Under the influence of smoking weakens memory, attention, muscle strength, reduced performance, falls intelligence.
Smoking contributes to and worsens over a number of diseases of the cardiovascular system: coronary atherosclerosis and myocardial infarction, hypertension, endarteritis, narrowing and blockage of small arteries of lower extremities vessels). Acting on the digestive organs, tobacco combustion products cause inflammation, ulceration of the gastric mucosa, esophagus and intestines.
Pregnant smoking women and possible miscarriage, premature birth, decreased fetal weights. If a woman smokes during breastfeeding, the child becomes weak and painful. Tobacco poisoning in children leads to stunted growth and overall development of the child, there are disorders of the cardiovascular system.
At the moment people began to detect disease-smoking inherent smokers. This is due to passive smoking, ie, when a person is forced to be a long time in a smoke-filled room. Children of parents who smoke increases the frequency of bronchitis and pneumonia, and increased risk of serious complications.
In passive smokers deteriorating hearing, sight, smell, appear lung and cardiovascular system, there are headaches, dizziness, weakness, and malaise.
Advanced forms of tobacco require treatment, the initial effort of the will can be interrupted and appropriate behavior. The biggest damage from smoking - severe disease, congenital deformity, disability, and, as is proved by science, premature death.
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