Related by context. Frequent words. (Click for all words.) 60 lung disease 54 respiratory illness 53 illness 51 bronchitis 51 respiratory ailments 51 pneumonia 50 emphysema 50 lung infection 49 lung cancer 49 ailment 49 illnesses 48 asbestosis 47 lung diseases 47 respiratory infection 47 asbestos exposure 46 viral infection 46 respiratory illnesses 46 respirator 46 Parkinson disease 46 neurological disorder 45 pulmonary fibrosis 45 pulmonary disease 44 asthma 44 kidney failure 44 leukemia 43 breathing difficulties 43 thyroid cancer 43 respiratory 43 staph infection 43 chronic lung 43 viral meningitis 43 pancreatic cancer 43 ailments 42 pancreatitis 42 chronic fatigue syndrome 42 brain tumor 42 colon cancer 42 bladder cancer 42 tonsillitis 42 respiratory symptoms 42 bacterial infection 42 kidney disease 42 poisoning 41 bacterial meningitis 41 degenerative disease 41 respiratory diseases 41 carbon monoxide poisoning 41 liver disease 41 stomach bug 41 renal failure 41 typhoid fever 41 sleep apnea 40 laryngitis 40 toxic fumes 40 chronic bronchitis 40 Legionnaires disease 40 disease 40 microwave popcorn 40 cardiac arrest 40 secondhand smoke 40 Lou Gehrig disease 40 ear infection 40 mononucleosis 40 chronic obstructive pulmonary 40 respiratory infections 40 migraines 40 ventilator 40 sinusitis 40 Parkinson Disease 39 lymphoma 39 esophageal cancer 39 irregular heartbeat 39 cancer 39 chest pains 39 congestive heart failure 39 malignant brain tumor 39 respiratory distress 39 gastroenteritis 39 brain tumors 39 mercury poisoning 39 hospitalization 39 malady 38 COPD 38 kidney stones 38 acid reflux 38 salmonella poisoning 38 fungal infection 38 sinus infection 38 brain hemorrhage 38 lung 38 urinary tract infection 38 tendonitis 38 heart disease 38 Pneumonia 38 appendicitis 38 stomach ailment 38 asbestos 38 migraine headaches 38 hospitalized 38 epileptic seizures 38 seriously ill