Related by context. Frequent words. (Click for all words.) 68 lung disease 65 congestive heart failure 64 lung cancer 62 chronic obstructive pulmonary 59 pneumonia 58 kidney disease 58 lung 58 Parkinson disease 57 respiratory 57 bronchitis 57 renal failure 56 kidney failure 56 liver disease 56 COPD 55 pancreatic cancer 55 Alzheimer disease 54 breathing difficulties 54 Lou Gehrig disease 53 asthma 53 heart disease 53 esophageal cancer 52 arthritis 52 liver cancer 52 colon cancer 52 dementia 51 multiple sclerosis 51 leukemia 50 respiratory illness 50 lupus 50 cancer 50 cystic fibrosis 50 Parkinson Disease 50 asthmatic 49 aneurysm 49 coronary artery disease 49 bladder cancer 49 cirrhosis 48 lymphoma 48 illness 48 arrhythmia 48 lungs 48 acid reflux 48 macular degeneration 47 blood clot 47 complications 47 Alzheimer 47 rheumatoid arthritis 47 chronic illness 47 pulmonary embolism 47 lung function 46 pulmonary 46 muscular dystrophy 46 gum disease 46 degenerative 46 Alzheimer Disease 46 cardiovascular disease 46 ovarian cancer 46 angina 46 cardiac arrest 46 prostate cancer 46 kidney function 46 cerebral palsy 45 ALS 45 glaucoma 45 blood clots 45 diabetes 45 organ failure 45 chronic illnesses 45 shortness 45 multiple myeloma 45 sepsis 45 mesothelioma 44 brain tumor 44 cataracts 44 chronic kidney 44 hypertension 44 respiratory diseases 44 congenital heart 44 ailments 44 ailment 44 epilepsy 44 atherosclerosis 44 bacterial infection 44 cognitive impairment 44 thyroid cancer 43 illnesses 43 disease 43 thyroid 43 irregular heartbeat 43 sleep apnea 43 bulimia 43 breast cancer 43 cigarette smoking 43 carbon monoxide poisoning 43 neurological 43 Lupus 42 oxygen tank 42 chronic pain 42 Multiple Sclerosis 42 autoimmune disease 42 DVT