Large segments of our population use tobacco, alcohol, and other drugs. Cigarette smoking is common in both industrialized and developing countries. In the United States, over 43 million people use tobacco, and worldwide, over one billion people are tobacco users (Centers for Disease Control, 2010; World Health Organization, 2010). In the U.S., over 400,000 people die every year from tobacco related illnesses, and smoking remains the greatest contributor to preventable death (Mokdad et al., 2004). With increasing tobacco use in developing countries, it is predicted that the worldwide death toll will rise to eight million people per year by 2030. Alcohol is the most commonly used and abused substance in the population, and 12.5% of adults in the U.S. develop alcohol dependence during their lifetime (Hasin et al., 2007). In 2004, the World Health Organization estimated that alcohol use disorders affected 76.3 million people globally (World Health Organization, 2004). In the U.S., almost 80,000 people die per year from the consequences of alcohol consumption, which includes alcohol related illnesses and accidents (Mokdad et al., 2004). Our society pays a high
