Related by context. Frequent words. (Click for all words.) 54 betel nut 50 cigarette smoking 48 cardio vascular diseases 46 dental cavities 45 Passive smoking 45 betel nuts 45 betel 44 Cigarette smoking 44 dental caries 44 Genital herpes 44 periodontal diseases 44 gum disease 43 cardio vascular disease 43 areca nut 43 chronic relapsing 42 tobacco 42 prevalence 42 Periodontal disease 42 smoking 42 cigarettes smoked 42 oropharyngeal cancer 42 Chewing tobacco 42 medicinal herb 42 herpes infection 42 unhealthy diets 42 pneumonia bronchitis 42 Smokeless tobacco 41 colorectal tumors 41 obstructive lung 41 potentially modifiable 41 Human papillomavirus 41 Stomach cancer 41 Anorexia nervosa 41 circulatory diseases 41 Tooth decay 40 harmful effects 40 noncommunicable diseases 40 melioidosis 40 Human Papilloma Virus 40 H pylori 40 hardened arteries 40 passive smoking 40 Indians Alaska Natives 40 liver cirrhosis 40 indoor tanning beds 40 tobacco specific nitrosamines 40 tooth decay 40 invasive cervical cancer 40 dental decay 40 atherosclerotic disease 40 inorganic arsenic 40 periodontal disease 40 reproductive toxicity 40 prevalences 40 HBV infection 40 coumarin 39 westernisation 39 nonmelanoma skin cancer 39 Unprotected sex 39 peptic ulcers 39 urogenital 39 periodontitis 39 Chronic inflammation 39 Epidemiological studies 39 Mental disorders 38 Tobacco Smoke 38 WHO Framework Convention 38 secondhand tobacco 38 epidemic 38 pesticide poisoning 38 smokers 38 parkinsonism 38 dental fluorosis 38 hepatitis B virus 38 smoker inhales 38 hypertension 38 Anti Smoking 38 mild stimulant 38 quitting smoking 38 trigger allergic reactions 38 Irritable bowel syndrome 38 endemic 38 Oral contraceptives 38 Diabetes mellitus 38 chewing tobacco 38 Iron deficiency 37 thyroid dysfunction 37 paan 37 colorectal polyps 37 alcoholic liver 37 anal cancers 37 death syndrome SIDS 37 glucose intolerance 37 cirrhosis 37 photoaging 37 atopic 37 incidence 37 nicotine addicts 37 decoction 37 hookworm 37 de ath