The most trusted textbook in medicine -- featuring the acclaimed Harrison's DVD with 57 additional chapters and exclusive video and tutorials

Extensively revised and expanded by the world’s leading physicians, Harrison’s Principles of Internal Medicine, 18e continues to set the standard as the pinnacle of current medical knowledge and practice, offering the definitive review of disease mechanisms and management.

CURRENT
All chapters have been completely updated to reflect the latest knowledge and evidence, and important new chapters have been added, including: "Systems Biology in Health and Disease," "The Human Microbiome," "The Biology of Aging," and "Neuropsychiatric Illnesses in War Veterans."