MUCH HAS BEEN LEARNED IN RECENT YEARS ABOUT THE NATURE OF DRUG ADDICTION, THE FACTORS WHICH LEAD A PERSON INTO ADDICTION, AND THE EFFECTIVE TREATMENT OF PERSONS WHO HAVE BECOME ADDICTED. THIS PAMPHLET SURVEYS THE NEW FINDINGS AND IS INTENDED PRIMARILY FOR (1) THOSE WHO IN THE COURSE OF THEIR PROFESSIONAL DUTIES COME IN CONTACT WITH ADDICTED INDIVIDUALS AND DESIRE CURRENT DATA, AND (2) FOR TEACHERS, PARTICULARLY THOSE CHARGED WITH PREPARING INSTRUCTIONAL MATERIALS. THE PAMPHLET DEALS FOR THE MOST PART WITH ADDICTION TO NARCOTICS, PRINCIPALLY OPIATES AND SYNTHETIC DRUGS WITH OPIATE-LIKE REACTIONS. THE MAJOR AREAS COVERED ARE (1) THE EFFECT OF NARCOTICS, (2) THE PEOPLE WHO TURN TO NARCOTICS, (3) THE DOCTOR AND THE ADDICTED PERSON, (4) TREATMENT IN FEDERAL HOSPITALS, (5) AFTERCARE AND OTHER NEW APPROACHES, AND (6) PREVENTING ADDICTION. PROBLEMS WITH OTHER DRUGS SUCH AS MARIHUANA, COCAINE, AMPHETAMINES, BARBITUATES, AND TRANQUILIZERS ARE ALSO BRIEFLY DISCUSSED. SINGLE COPIES ARE AVAILABLE UPON REQUEST FROM THE NATIONAL INSTITUTE OF MENTAL HEALTH, BETHESDA 14, MARYLAND. THIS DOCUMENT IS ALSO AVAILABLE FOR $0.25 FROM THE SUPERINTENDENT OF DOCUMENTS, U.S. GOVERNMENT PRINTING OFFICE, WASHINGTON, D.C. 20402. (DS)