Prevention prevention & control 180 Diseases 76 Treatment 73 Congresses 72 Accidents 58 Terrorism 58 more ... Cancer 56 Drug abuse 49 Safety measures 48 Industrial safety 38 Government policy 35 Security measures 35 AIDS (Disease) 33 Communicable diseases 30 Handbooks, manuals, etc 30 Epidemiology 29 Neoplasms 29 methods 26 School violence 25 Health aspects 24 Social aspects 24 Alcoholism 23 Child abuse 23 Food contamination 23 Juvenile delinquency 23 Pollution 22 Rehabilitation 22 Fraud 21 Suicide 20 less ...