1. Information about the origination of this book -- 2. Addiction: a short overview of a widespread disease -- 3. Aetiology of addiction -- 4. Prevention strategies -- 5. Diagnosis of abuse and addiction -- 6. Types, dimensions and aetiology -- 7. Motives for alcohol-and/or tobacco addicted patients to seek medical help. -- 8. Detection of alcohol and tobacco addiction -- 9. Therapeutic strategies in alcohol and tobacco addiction -- 10. Sociotherapy of alcohol-and tobacco dependents with regards to Lesch’s typology -- Appendix 1. Lesch Alcoholism Typology – Questionnaire -- Appendix 2. Lesch European Smoker Classification.