Related by context. Frequent words. (Click for all words.) 59 Hertz Picciotto 57 Observational studies 56 secondhand cigarette 55 epidemiologic studies 54 attention-deficit/hyperactivity disorder ADHD 53 adolescents 52 beta carotene supplements 52 secondhand tobacco 52 untreated tooth decay 52 folic acid intake 52 observational studies 52 breastfed infants 52 Sicherer 52 cotinine levels 52 secondhand smoke exposure 51 allergic sensitization 51 folate deficiency 51 journal Epidemiology 51 Chavarro 51 elevated CRP 51 serum vitamin D 50 vitamin supplementation 50 folate intake 50 body fatness 50 low birthweight babies 50 recurrent miscarriage 50 organophosphate pesticides 50 Ezzati 50 Mozaffarian 50 low birthweight infants 50 premenopausal breast cancer 50 Kiecolt Glaser 50 maternal morbidity 49 obstetric complications 49 journal Thorax 49 Budnitz 49 longitudinal studies 49 atopic 49 prenatal exposure 49 subclinical hypothyroidism 49 uncontrolled asthma 49 generalizability 49 Epidemiological studies 49 vitamin D deficiency 49 born preterm 48 dietary intakes 48 bmj.com 48 breastfed babies 48 Kendler 48 shorter telomeres 48 oropharyngeal cancer 48 Bibbins Domingo 48 epidemiological studies 48 thyroid dysfunction 48 Depressive symptoms 48 passive smoking 48 modifiable risk 48 iron supplementation 48 inhalant abuse 48 potentially modifiable 48 congenital malformations 47 autistic traits 47 occupational exposures 47 Passive smoking 47 Finkelhor 47 nonadherence 47 periodontal diseases 47 atopy 47 NAFLD 47 methemoglobinemia 47 stimulant medications 47 Cohle 47 Cristofanilli 47 antisocial behaviors 47 coronary artery calcification 47 Lumeng 47 neurodevelopment 47 Tobacco Smoke 47 somatic symptoms 47 Health HSPH 47 infants 47 teratogenic 47 vitamin B# deficiency 47 indoor tanning beds 46 MDPH 46 Influenza vaccination 46 unhealthy diets 46 dietary sodium 46 prenatally 46 dietary patterns 46 magnesium intake 46 elevated blood glucose 46 dietary intake 46 biopsychosocial 46 depressive symptoms 46 methodological flaws 46 glucose intolerance 46 Lipshultz 46 de ath 46 inorganic arsenic 46 biologically plausible