By DouglasGrahame
The cause of lung cancer has been seen to be the abnormalities in cells. The body of human beings automatically regulates the production and growth of cells when the body needs them. If there is uncontrolled growth of cell in the tissues of the lungs, then final results may be developing of lung cancer.
Symptoms of lung cancer very depending on the location and the spreading effect of the tumor but one cannot easily identify early warnings of lung cancer. The best thing one can do is consult a doctor in cases of a new persistent cough or the worsening of an existing chronic cough, if there is blood in his sputum, chest pains and difficulties in breathing and unexplained weight loss
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