The discovery and development of a wide array of prescription medications has been a tremendous blessing. They have made the pain of surgery, serious injuries, and chronic illnesses bearable. Stimulant medications have helped children and adults conquer the symptoms of ADHD and enjoy success in school and work. Medications for sleep disorders and anxiety have made it possible for individuals to experience some peace in their lives and get badly needed rest. However, there can be a dark side to these medications — the possibility of addiction.