Alcoholism Drug abuse Treatment 22 Substance abuse 13 Alcohol use 8 Drug use 8 Prevention 8 more ... Drug addiction 7 History 7 Drinking of alcoholic beverages 4 Government policy 4 Psychotropic drugs 4 Research 4 Alcoholics 3 Altered states of consciousness 3 Compulsive behavior 3 Drug control 3 Family relationships 3 Hallucinogenic drugs 3 Tobacco use 3 Alcohol 2 Compulsive gambling 2 Diseases 2 Drug abuse counseling 2 Drug addicts 2 Drugs 2 Hallucinogenic drugs and religious experience 2 Medical care 2 Mental health services 2 Mental illness 2 less ...