Related by context. Frequent words. (Click for all words.) 42 smoking 41 cigarette smoking 41 hookah smoking 39 nitrosamines 38 journal Addiction 37 Shisha 36 nicotine dependence 36 Cigarette smoke 36 Cigarette smoking 36 Smokeless tobacco 35 toking 35 antismoking 35 secondhand tobacco 35 Amphetamine 35 Snus 34 Lucky Strikes 34 Smoking 34 shisha 34 Hookah 34 smokers 33 death syndrome SIDS 33 ciggie 33 smoked 33 hookah 33 decaffeinated coffee 33 cigarettes smoked 33 snus 33 tobacco 32 addictive substances 32 glucose intolerance 32 Nonsmoking 32 physical inactivity 32 puffers 32 unhealthy diets 32 heart disease 32 oral contraception 31 smoke 31 smokeless 31 harmful effects 31 Smoking bans 31 prevalence 31 epidemiological studies 31 clove cigarettes 31 postmenopausal breast cancer 31 cigarette smoke 31 Inhaling 31 coronary heart 31 nicotine 31 secondhand smoke exposure 31 cigarette smokers 31 hookahs 31 cardiovascular disease 31 secondhand smoke 30 endothelial dysfunction 30 spliff 30 Surgeon General 30 obesity 30 hookah bars 30 passive smoking 30 dietary patterns 30 abdominal obesity 30 Overexposure 30 Trans Fats 30 toke 30 post menopausal 30 Lung cancer 30 smoking bans 30 dietary habits 30 arterial stiffness 30 Nicotine 30 Coronary heart 30 prenatal exposure 29 Anti Smoking 29 smoker 29 Nonsmokers 29 Cuban cigar 29 Snuff 29 indoor tanning 29 flavored tobacco 29 nondrinkers 29 puff 29 healthier diets 29 nicotine patch 29 inhaling 29 Secondhand Smoke 29 Huffing 29 SMOKING 29 hypercholesterolemia 29 transfat 29 liver cirrhosis 28 fags 28 atherosclerosis 28 cardiovascular diseases 28 outdoor cafes 28 lung cancer 28 Smoke 28 PM#.# 28 Nonsmokers Rights 28 inhalant 28 smoky 28 Tobacco Control