NAFLD vs MASLD & NASH vs MASH: The 2026 Guide to What Changed
In the world of hepatology and metabolic health, we are witnessing a massive paradigm shift. What we historically referred to as NAFLD (Non-Alcoholic Fatty Liver Disease) and NASH (Non-Alcoholic Steatohepatitis) have officially entered a new era of nomenclature and clinical management. This isn't just a minor tweak in vocabulary. The transition from NAFLD to MASLD and NASH to MASH represents a fundamental evolution in how we view, diagnose, and treat liver disease. The 2023 Breakthrough: Why the Name Changed In June 2023, an international consensus led by major global liver societies (including AASLD, EASL, and ALEH) announced a landmark nomenclature change. For decades, the terms "fatty" and "non-alcoholic" had faced growing criticism. This historic change aimed to solve two major clinical issues: Reducing Patient Stigma: The word "fatty" can carry unintended social stigma, making patient communication unnecessarily...