How does smoking affect the respiratory and digestive systems?

In the mornings, smokers usually have a strong cough. At night, a person does not smoke. Receptors located in the walls of the bronchial tree and trachea, get out of anesthesia and again begin to respond to tobacco tar, which is donkey on their walls. Cough removes phlegm, dark from tobacco soot. But a smoker, accustomed to tobacco, begins a reaction to a lack of drug. There is a need for smoking, which is difficult to cope with. A new puff, and the cough goes away, as the receptors again become anesthetized and stop responding to tobacco tar.
Smoking increases the risk of human lung cancer. Among patients with lung cancer – 97% of smokers. The risk of this disease is higher, the younger you become addicted to tobacco. Smokers loosen tooth enamel. Nicotine and tobacco particles irritate the walls of the stomach, cause its inflammation – gastritis. Smoking creates the conditions for the development of gastric and duodenal ulcers. These diseases are found in smokers 2-3 times more often than non-smokers. The toxic substances of tobacco smoke contribute to the development of cancer of various organs of the digestive system.
Nicotine adversely affects both pulmonary and tissue respiration.

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