Lung cancer
Lung cancer is a malignant lung tumor characterized by uncontrolled cell growth. The most common symptoms are coughing, weight loss, shortness of breath, and chest pains. Cigarette smoke contains at least 73 known carcinogens, including benzopyrene, NNK, 1,3-butadiene, and a radioactive isotope of polonium –Polonium-210. Marijuana contains many of the same carcinogens as tobacco smoke, but is more dangerous than...