The addictive effects of tobacco have been well-documented. Tobacco is considered to be a mood and behavior altering substance that is abusable. Tobacco is believed to be as potentially addictive as alcohol, cocaine, and morphine. Tobacco and its components increase the risk for cancer (especially in the lung, mouth, larynx, esophagus, bladder, kidney, colon, pancreas, and cervix), heart attacks, strokes, and chronic lung disease.