An introduction to the core principles of epidemiology and public health, presented in the well-known Lecture Notes format, this new edition is thoroughly updated throughout with new studies and cases from around the globe. The edition presents key learning features including learning objectives and key points in every chapter and extended coverage of critical appraisal and data interpretation. Whether approaching these topics for the first time, starting a special study module or placement, or looking for a quick-reference summary, this book offers medical students, junior doctors, and public health students an invaluable collection of theoretical and practical information.