**Selected for 2026 Doody's Core Titles in Gastroenterology**Dr. Richard Polin’s Neonatology Questions and Controversies series highlights the toughest challenges facing physicians and care providers in clinical practice, offering trustworthy guidance on up-to-date diagnostic and treatment options in the field. In each volume, renowned experts address the clinical problems of greatest concern to today’s practitioners, helping you handle difficult practice issues and provide optimal, evidence-based care to every patient.The thoroughly updated, full-color, 4th Edition of Gastroenterology and Nutrition: Provides in-depth clinical overviews of both common and rare neonatal GI and nutritional disorders, offering guidance based on the most up-to-date understanding of underlying pathophysiologyPlaces emphasis on controversial areas that can entail different approachesFeatures the most current clinical information throughout, including the dynamic composition of human milk for precision nutrition, how the developmental biology of the GI tract relates to optimizing nutrition for the most vulnerable infants, interactions of the gut with the brain and other organs, associations between the GI tract and nutritional health and disease with individual nutrients, microbes, and metabolites, and moreCovers rapidly emerging technologies such as artificial intelligence and multiomics for predictive analytics, as well as in augmenting our understanding of mechanisms of pathophysiologyDiscusses how diagnoses such as sepsis, bronchopulmonary dysplasia, and central nervous system disorders relate to a breakdown of homeostasis in the intestinal tractUtilizes a consistent chapter organization to help you find information quickly and easily, and contains numerous charts, graphs, radiographic images, and photographs throughoutOffers the most authoritative advice available from world-class neonatologists who share their knowledge of new trends and developments in neonatal careAn eBook version is included with purchase. The eBook allows you to access all of the text, figures and references, with the ability to search, customize your content, make notes and highlights, and have content read aloud Purchase each volume individually, or get the entire 7-volume Neonatology Questions and Controversies set, which includes online access that allows you to search across all titles! Gastroenterology and NutritionHematology and Transfusion MedicineNeonatal HemodynamicsInfectious Disease, Immunology, and PharmacologyRenal, Fluid, and Electrolyte DisordersNeurologyThe Newborn Lung