Related by context. Frequent words. (Click for all words.) 72 fluoride 68 fluoridation 54 tooth decay 54 bottled water 46 cow milk 46 gum disease 44 infant formula 43 arsenic 42 potable water 42 water 41 periodontal disease 41 BPA 41 aspartame 41 mouthwash 41 perchlorate 41 drinking 41 apple juice 40 fruit juice 40 fructose 40 probiotic 39 reverse osmosis 39 vitamin D 39 wastewater 39 chromium 39 trans fats 39 raw milk 38 probiotics 38 acetaminophen 38 thimerosal 38 nitrates 38 chlorine 38 caffeine 38 breast milk 38 septic tanks 38 milk 38 immunizations 38 folic acid 38 fruit juices 38 mercury 38 toothpaste 37 groundwater 37 septic systems 37 drink 37 PFOA 37 aquifer 37 flu vaccine 37 sewage 37 soda 37 nasal spray 37 whooping cough 37 vaccinations 37 bisphenol 37 pediatricians 37 secondhand smoke 37 dental hygiene 37 smokeless tobacco 37 breast fed 36 vitamin C 36 harmful chemicals 36 aquifers 36 sewage treatment 36 omega 3 36 breast feeding 36 breastfeeding 36 margarine 36 pesticides 36 wastewater treatment 36 vitamin D. 36 Vitamin D 36 cataract surgery 36 soft drinks 35 milligrams 35 saturated fat 35 dentists 35 filtration 35 micrograms 35 immunization 35 high fructose corn 35 iodine 35 folate 35 ppb 35 sunscreen 35 orange juice 35 dental 35 statins 35 curbside recycling 35 flu vaccines 35 trace amounts 35 birth defects 35 processed foods 34 pesticide 34 ear infections 34 nutritious 34 nitrate 34 Water Quality 34 FluMist 34 measles 34 sodium 34 sunscreens 34 contaminants 34 preservatives