This updated and revised third edition explains the fundamental principles of the human genome, gene regulation and expression, and genetic engineering. Principles are then applied to the diagnosis and treatment of human disease in infectious diseases, inherited genetic diseases, the immune system and blood cells, cancer, and public health. The text presents the basics of molecular biology and its impact on medicine in a user-friendly, concise, conversation format, with new discussions on the human genome project and genetic engineering. Ross'Introduction to Molecular Medicine remains a must-have information source for all physicians, residents, and medical students.