Public health Public Health 22 Medical care 20 Medical policy 19 Social medicine 15 Medicine 14 Epidemiology 8 History 8 Man 6 Nutrition 6 Public Health Practice 6 Health planning 5 Colonialism 4 Developing Countries 4 Environmental health 4 Health Policy 4 History, 19th Century 4 History, 20th Century 4 Human Health and the Environment 4 India 4 Women 4 World Health 4 World health 4 Agriculture 3 Communicable diseases 3 Disease Outbreaks 3 Ecology 3 Epidemiologic Methods 3 Equality 3 Ethnic Groups 3