Smoking and cancer


Almost on every pack of cigarettes contains information that smoking causes cancer. However, people who purchase tobacco products have become so accustomed to such exhortations, which practically do not pay any attention to them.
Despite the fact that the messages on cigarette packs do not have the desired effect, the information provided to them, true and proven by years of research the world's leading scientists. Just the fact that smoking and cancer are interrelated, and official statistics indicate.
Scientists have shown that cigarette smoke contains about 4,000 chemicals. At the same time sufficiently weighty share in the play carcinogens. One of the main features of these substances is that they are easily incorporated into the genetic material of cells and damage it. Thus, they provoke cancer.
Cancer is quite common in modern society. They are dangerous not only because they cause discomfort and knock a person out of rut. Because cancer can over a long period of time is not accompanied by the appearance of symptoms to diagnosis is often not timely. Discovered in the late stages of development of malignant tumors is almost impossible to treat.
According to statistical studies of the most popular cause of lung cancer is smoking it. At the same time 90% of this disease ends in death. Every year from malignant tumors of the air breathing people are killed many times more than other types of cancer.

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