Related by context. Frequent words. (Click for all words.) 44 carcinogenic 41 human carcinogen 40 Secondhand smoke 39 carcinogen 37 endocrine disruptors 37 carcinogens 37 Prolonged exposure 36 parabens 36 ionizing radiation 36 polycyclic aromatic hydrocarbons 36 naturally occurring 35 neurotoxin 34 phytoestrogens 34 aspartame 34 Dioxins 34 hair dyes 33 triclosan 33 neurotoxins 33 radiation emitted 33 toxin 32 toxins 32 hydrogenated oils 32 trace amounts 32 ultraviolet radiation 32 acrylamide 31 toxicity 31 dioxins 31 pollutant 31 VOCs 31 passive smoking 31 alkaloids 30 harmful chemicals 30 toxic substances 30 phthalates 30 harmful 30 acetaldehyde 30 aflatoxin 30 PAHs 30 PFOS 30 allergenic 30 chemical compounds 29 PFOA 29 pesticides 29 Benzene 29 contaminant 29 Formaldehyde 29 Phthalates 29 secondhand smoke 29 preservatives 29 bisphenol 29 ozone depleting 28 additive 28 DEHP 28 benzene 28 Dioxin 28 nitrite 28 PBDEs 28 organophosphates 27 solvents 27 sulfur compounds 27 trans fatty acids 27 substances 27 contaminants 27 potentially harmful 27 brominated flame retardants 27 methyl 27 hazardous substances 27 arsenic 27 unhealthful 27 harmful substances 26 cigarette smoke 26 Bisphenol 26 chemicals 26 hexavalent chromium 26 pesticide residues 26 flame retardants 26 oleic acid 26 toxic chemicals 26 additives 25 vinyl chloride 25 particulates 25 xylene 25 asbestos fibers 25 fluorine 25 dioxin 24 pesticide residue 24 residues 24 dyes 23 diesel fumes 23 toxic 23 hazardous chemicals 23 chemical 23 harmful effects 23 chromium 23 formaldehyde 22 polychlorinated biphenyls PCBs 22 poisonous chemicals 22 phthalate 22 contaminated 20 poisonous 17 hazardous