Nutrition (1) Feeding and feeds (1) Counseling of (1) Prevention (1) Methods (1) Tobacco use (1) Tobacco (1) Swiss (1) Sociology, Rural (1) Smoking (1) Physicians (General practice) (1) Perspective (1) Drug addiction (1) Medicine, Preventive (1) Medical history taking (1) Matter (1) Linguistics (1) Fate and fatalism (1) Drug abuse (1) Dependency (Psychology) (1) Anchors, Sea (1) Alcohol (1) Methods (1) Nicotine addiction (1) Research (1) Measurement (1) Age (1) Attitudes (1) Sexual behavior (1) Sampling (1)