Related by context. Frequent words. (Click for all words.) 56 inactivity 43 spewed ash 40 Inactivity 40 unhealthy diets 37 gallbladder disease 37 cardiorespiratory fitness 37 asthma bronchitis 36 sedentary 36 sedentary lifestyle 36 sedentary lifestyles 36 sugary foods 36 overeating 36 Cigarette smoking 36 Sedentary 36 physical inactivity 36 cigarettes smoked 36 bingeing 35 Passive smoking 35 cigarette smoking 35 Cigarette smoke 35 Tooth decay 35 metabolism slows 35 acute bronchitis 35 smoking 34 Nonsmokers 34 fatty foods 34 incomplete combustion 34 belching 34 secondhand tobacco 34 extreme tiredness 34 Overeating 33 charcoal grills 33 Insulin resistance 33 overpowering smell 33 inactive 33 Nonsmoking 33 ciggie 33 smokers 33 dormancy fees 33 puffing 32 obesity 32 persistent cough 32 smoker 32 Tiredness 32 aggravate asthma 32 underactive thyroid 32 Nicotine Anonymous 32 skeletal muscles 32 belched 32 cigarette smokers 32 SMOKERS 32 huffing 31 nonuse 31 alcoholic fatty liver 31 Smokers 31 exacerbation 31 nicotine dependence 31 Smoking 31 SMOKING 31 cotinine levels 31 coronary heart 31 metabolism 31 Obstructive sleep apnea 31 tiredness 31 passive smoking 31 Inhaling 30 Secondhand smoke 30 strenuous exercise 30 unhealthy eating habits 30 causative factors 30 inhaling smoke 30 flaring 30 Electronic Cigarette 30 belch 30 lit cigarette 30 yo yo dieting 30 wheezing 30 Huffing 30 chlorofluorocarbons CFCs 30 cigarette smoker 30 asthma emphysema 29 nausea dizziness 29 inhaling fumes 29 carbon monoxide 29 erupting 29 sunbed 29 hibernates 29 Overuse 29 chronic obstructive pulmonary 29 e cig 29 lung function 29 tanning bed 29 emitted 29 prediabetic 29 fatness 29 aerobic activity 29 fug 29 lethargy 29 billow 29 coughing wheezing 29 dormancy