Nicotine's dependence liability is high, and how its chronic use affects health is widely known. Why, then do you think that use of this drug remains legal in much of the world? within answering the question, identify the characteristics, tolerance, physiological and psychological aspects of dependence and addictions, evaluate current acceptance and criticisms of the disease concept and selected other approaches to chemical dependency, critique strengths and weaknesses of various approaches to intervention and treatment, including counseling methods impatient vs outpatient. halfway houses, continuous care, and self help groups, and analyze intervention and treatment needs of family members and significant others affected by chemical dependency.