Related by context. Frequent words. (Click for all words.) 44 nonsmokers 43 screening colonoscopy 43 spirometry 42 smokers 42 nonusers 41 quit smoking 41 lung function 40 lung cancer 40 NHANES 40 nicotine patch 40 cigarette smokers 39 longitudinal study 39 COPD 38 lung tumors 38 colon polyps 38 bladder cancers 38 secondhand tobacco 38 yearly mammograms 38 Framingham Heart 38 lung cancers 38 colorectal cancer screening 38 NewYork-Presbyterian/Weill Cornell 38 inhaled steroids 38 precancerous lesions 37 cotinine 37 Nutrition Examination Survey 37 nicotine dependence 37 nondrinkers 37 confidence interval #.#-#.# 37 LQTS 37 emphysema 37 Oral Cancer 37 smoking cessation 37 statin 37 lung ailments 37 prostate specific antigen 37 Ridker 37 exercisers 36 candesartan 36 Emphysema 36 PSA screening 36 brain shrinkage 36 Professionals Follow 36 quitting smoking 36 Smokeout 36 coronary artery calcium 36 peripheral artery disease 36 Nutrition Examination Survey NHANES 36 obese adolescents 35 colon breast 35 prostate specific 35 cognitively normal 35 aggravate asthma 35 varenicline 35 smoker 35 colon cancer 35 colorectal cancers 35 gastrointestinal cancers 35 NAFLD 35 End Results SEER 35 benign lesions 35 chronic cough 35 cigarette smoking 34 Bladder cancer 34 smoking cessation counseling 34 sleep disordered breathing 34 colon cancer screening 34 lung disease 34 acute bronchitis 34 nonsmoking 34 asthmatics 34 CDC Morbidity 34 HPV infections 34 rectal cancer 34 thoracic surgeon 34 cholesterol lowering medications 34 statin drugs 34 hyperuricemia 34 cigarette smoker 34 colorectal screening 34 statin therapy 34 nonfatal heart 34 Smoking Cessation 33 gastric banding 33 sleep apnea 33 gum disease 33 gallbladder disease 33 prospective cohort 33 colorectal cancer 33 die prematurely 33 anacetrapib 33 Weyco 33 Michael Roizen 33 losartan 33 postoperative complications 33 prostate cancers 33 American Smokeout 33 PM#.# 33 RealAge 33 antidepressant therapy 33 BRCA2 mutations