Medical policy -- United States 27 Public health -- United States 25 Medical care -- United States 24 Nutrition 17 Persian Gulf War, 1991 -- Health aspects -- United States 15 Medical care -- United States -- Quality control 13 Public health 13 Máis ... Persian Gulf War, 1991 -- Veterans -- Diseases -- United States 12 Health insurance -- United States 11 Agent Orange -- Health aspects 10 Medical policy -- United States -- Congresses 10 Nutrition policy -- United States 10 Health care reform -- United States 9 Health status indicators -- United States 9 National Institute for Occupational Safety and Health 9 Science and state -- United States 9 Vietnam War, 1961-1975 -- Veterans -- Health risk assessment -- United States 9 Agent Orange -- Toxicology 8 Cancer -- Treatment 8 Health services accessibility -- United States 8 Medicare 8 Persian Gulf syndrome -- United States 8 Reference values (Medicine) 8 Cancer -- Treatment -- United States 7 Environmental health -- Congresses 7 Genomics -- Congresses 7 Health planning -- United States 7 Medicine -- Research -- United States 7 National Institutes of Health (U.S.) 7 Public health -- United States -- Congresses 7 menos ...