Related by context. Frequent words. (Click for all words.) 35 children 35 febrile seizures 33 Dear Annie My 31 brick duplex 30 accidentally smothered 30 asthma exacerbations 30 bronchiolitis 29 atopy 28 adults 27 breast fed 27 breastfed 26 journal Chest 25 Aracoma Alma No. 24 ear infections 24 Chickenpox 24 cotinine levels 24 hospitalizations 22 nasal allergies 22 accidental ingestion 22 cough suppressants 22 postoperative complications 21 gallbladder disease 21 Obstructive sleep apnea 21 childbearing age 21 asthma 21 chicken pox vaccine 21 gum disease 21 Tooth decay 21 Interview Survey 21 Passive smoking 21 coughing spells 20 peat bog fires 19 acute bronchitis 19 rotting teeth 19 inhaling fumes 19 dental checkups 19 cigarettes smoked 18 chronic lung 18 chronic bronchitis 18 Thyroid cancer 17 Head lice 17 antibiotic prescriptions 17 asthmatic 17 symptomless 16 persistent cough 16 smoked cigarettes 16 sprayings 16 secondhand smoke exposure 15 asthma bronchitis 15 Allergic reactions 15 inhalant 15 coughing fits 14 asthma sufferer 14 nonsmokers 14 chronic cough 14 nasal vaccine 14 decongestant 14 sinus infections 14 asthma sufferers 14 inhaling smoke 14 ipecac 13 hookah smoking 13 passive smoking 13 lung ailment 13 Cigarette smoking 13 nausea dizziness 13 diazinon 13 chronic sinusitis 12 microgram 12 Secondhand smoke 12 hacking cough 12 smoked 11 secondhand tobacco 11 cigarette smoking 11 wheezing 11 airborne pollutants 11 asthma inhalers 11 spewed ash 11 chemical vapors 11 foggers 10 secondhand smoke 10 nonsmoker 10 smokers 10 cigarette smoker 9 aggravate asthma 9 vaporizers 9 silica dust 9 nose bleeds 9 Cigarette smoke 9 smoking 9 smoker 8 inhaling 8 smoke plumes 8 smokes 7 hookah bars 7 nonsmoking 5 cigarette smoke 5 puffers 3 vaporizer 2 smoke 1 inhaled