McCance & Huether’s Pathophysiology: The Biologic Basis for Disease in Adults and Children (9th Edition) provides an in-depth exploration of the mechanisms underlying human disease. It explains how normal physiological processes are altered by illness across the lifespan, from cellular changes to system-wide disorders. Designed for healthcare students and professionals, the book integrates scientific concepts with clinical examples to support critical thinking and a strong understanding of disease progression and diagnosis.