Tobacco smoke and involuntary smoking -- An Introduction to Epidemiology -- Concepts and Methodological Approaches in Epidemiology -- Basic Concepts -- Rates, Risks, Measures of Association and Impact -- Descriptive Studies -- Use of Disease Registers -- Cohort Studies -- Case-Control Studies -- Modern Epidemiologic Study Designs -- Intervention Trials -- Confounding and Interaction -- Epidemiological Field Work in Population-Based Studies -- Exposure Assessment -- Design and Planning of Epidemiological Studies -- Quality Control and Good Epidemiological Practice -- Statistical Methods in Epidemiology -- Sample Size Determination in Epidemiologic Studies -- General Principles of Data Analysis: Continuous Covariables in Epidemiological Studies -- Regression Methods for Epidemiologic Analysis -- Survival Analysis -- Measurement Error -- Missing Data -- Meta-Analysis in Epidemiology -- Geographical Epidemiology -- Applications of Epidemiology -- Social Epidemiology -- Occupational Epidemiology -- Environmental Epidemiology -- Nutritional Epidemiology -- Reproductive Epidemiology -- Molecular Epidemiology -- Genetic Epidemiology -- Clinical Epidemiology -- Pharmacoepidemiology -- Screening -- Community-based Health Promotion -- Research Areas in Epidemiology -- Infectious Disease Epidemiology -- Cardiovascular Diseases -- Cancer Epidemiology -- Musculoskeletal Disorders -- Health Services Research -- Epidemiology in Developing Countries -- Ethical Aspects of Epidemiological Research.