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By admin on November 01st, 2012
Dangerous Effects of Tobacco
It is the most common exogenous cause of human cancers, being responsible for 90% of lung cancers. The main culprit is cigarette smoking, but smokeless tobacco (snuff, chewing tobacco, etc) is also harmful to health & an important cause of oral cancer. Inactive cigarettes breathing (second hand smoking) can cause lung cancers in non cigarette [...]
