Related by context. Frequent words. (Click for all words.) 73 fluoridation 66 Fluoride 66 fluoride 55 fluoridated 54 fluoridated water 47 Drinking Water 45 Aspartame 45 Safe Drinking Water 45 Homeopathy 44 tooth decay 44 Pesticide 43 Perchlorate 43 Groundwater 43 Fracking 42 chlorination 42 cryptosporidium 42 Breastfeeding 41 fracking 41 Breast feeding 40 Pesticides 40 Desalination 40 Water Quality 40 Obesity 40 pasteurization 40 Pollution 40 Clean Water Action 40 hydrofracking 39 Water 39 Stormwater 39 Asthma 39 Health 39 homeopathy 39 Tuberculosis 39 groundwater 38 chlorinated 38 atrazine 38 Fertility 38 Environmental 38 Thimerosal 38 Water Works 38 Arsenic 38 Eczema 38 Bottled Water 38 Secondhand smoke 37 sewerage 37 MMR vaccine 37 Acupuncture 37 arsenic 37 Water Supply 37 Vaccination 37 chromium 37 mercury pollution 37 Tobacco Control 37 pesticide 37 Child Poverty 37 aerial spraying 37 Annexation 37 Chlorine 37 Asbestos 37 aspartame 37 Sewage 36 Indoor Air 36 Incinerator 36 PFOA 36 smoking ban 36 perchlorate 36 Smoke Free 36 hexavalent chromium 36 Chlamydia 36 Probiotics 36 health 36 passive smoking 36 Immunizations 36 Clean Water 36 Vitamin D 36 hydraulic fracturing 36 rationing 36 WATER 36 Breast milk 36 ATSDR 36 pneumococcal vaccine 36 Contamination 35 Radon 35 Malnutrition 35 water 35 Healthy Communities 35 Iodine 35 Aquifer 35 antismoking 35 Drinking 35 Daylight saving 35 bacterial contamination 35 exclusive breastfeeding 35 probiotics 35 presumed consent 35 Waste 35 Water Treatment 35 Dioxin 35 BPA 35 groundwater contamination 35 Clean Indoor