Prevention prevention & control 180 Diseases 72 Treatment 72 Congresses 70 Terrorism 59 Accidents 58 more ... Cancer 55 Drug abuse 49 Safety measures 48 Industrial safety 38 Security measures 35 AIDS (Disease) 33 Government policy 33 Communicable diseases 30 Handbooks, manuals, etc 30 Epidemiology 29 Neoplasms 29 methods 26 School violence 25 Alcoholism 23 Child abuse 23 Food contamination 23 Health aspects 23 Juvenile delinquency 22 Pollution 22 Social aspects 22 Fraud 21 Rehabilitation 21 Suicide 20 less ...