Smoking can cause lung cancer, laryngeal cancer, pharyngeal cancer and other tumors. But so far the carcinogenic mechanism for cigarette smoking is still not clear. Considering that DNA is important genetic material, DNA damage might be one of the important carcinogenic mechanisms of smoking. Studies have shown that smoke contains large amounts of free radicals, which can directly cause DNA damage such as DNA strand breaks, and gene mutations.
Objective
To study the relationship of smoking and DNA d...
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