Scientists are discovering new potential uses for marijuana in the treatment of many diseases. Yet many are concerned with the growing trend of allowing people to use medical marijuana and whether its use could lead to addiction and other problems. IntroThrough objective discussion, numerous direct quotes, and full-color illustrations this title examines What Are the Origins of the Medical Marijuana Debate? Is Marijuana Effective Medicine? What Are the Risks Associated with the Medical Use of Marijuana? Is Marijuana Effective Treatment for Depression and Other Mood Disorders? How Should the Medical Use of Marijuana Be Regulated?