What happens to our bodies when we abuse alcohol and drugs? What is the effect on our brain chemistry? How do drugs actually produce the effect of feeling high, and what is the price we pay? Issues related to tolerance, dependence and craving are discussed, and illustrated visually through the use of brain scans and various other graphics. Viewers come to a much fuller understanding of the medical consequences of alcohol and drug abuse at the end of this serious, yet lively, presentation featuring Dr. John Keppler.