Series Foreword xi Acknowledgments xiii Introduction xv Guide to Health Literacy xix Common Misconceptions about Substance Abuse xxvii Questions and Answers 1 General Information 3 1. What is substance abuse and dependence? 3 2. What is the difference between physiological and psychological dependence? 5 3. What are the most commonly abused substances? 7 4. What are some of the most common signs of substance addiction? 8 5. How can substance abusers tell that their abuse is out of control? 10 6. How widespread is substance abuse? 12 7. How far back in history does substance abuse go? 13 8. Is there really such a thing as a gateway drug? 15 9. Is there a substance abuse epidemic? 16 Contents
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