Related by context. Frequent words. (Click for all words.) 69 phthalates 69 flame retardants 61 bisphenol 59 PFOA 58 PCBs 57 toxic chemicals 57 BPA 56 dioxins 56 carcinogen 55 harmful chemicals 54 toxins 53 carcinogens 53 toxic substances 53 contaminants 53 cadmium 52 acrylamide 52 mercury 52 thimerosal 51 contaminant 51 VOCs 50 perchlorate 50 arsenic 49 pollutants 48 hazardous chemicals 47 volatile organic compounds 47 dioxin 47 chemicals 47 trans fats 47 harmful substances 47 pesticides 46 toxicity 46 secondhand smoke 46 pollutant 46 carcinogenic 46 formaldehyde 46 allergens 45 toxin 45 flame retardant 45 estrogen 45 vitamin D 44 fatty acids 44 Cadmium 44 hazardous substances 44 trans fat 44 mercury pollution 43 benzene 43 atrazine 43 farmed salmon 43 chromium 43 hydrogen sulfide 43 melamine 43 folate 42 carbon monoxide 42 particulates 42 fats 42 omega 3s 42 particulate matter 42 acetaminophen 42 trace amounts 41 vitamin D deficiency 41 aerosols 41 fructose 41 diesel exhaust 41 Pesticides 41 vitamin E 41 atmospheric carbon dioxide 41 toxic 41 E. coli bacteria 41 birth defects 41 radon 41 oily fish 41 chemical compounds 41 aspartame 41 radioactive iodine 41 omega 3 41 selenium 41 organic compounds 40 greenhouse gases 40 MTBE 40 hormones 40 phosphorus 40 greenhouse gasses 40 DDT 40 folic acid 40 fatty acid 40 cesium 40 ozone 40 micrograms 40 excreted 40 nanomaterials 40 concentrations 40 cigarette smoke 40 zebra mussels 40 dust mites 40 saturated fats 40 artificial sweeteners 40 substances 40 breast milk 39 pesticide 39 strontium 39 ppb