Medically reviewed by Qin Rao, MD Metabolic dysfunction-associated steatohepatitis (MASH) is a disease that occurs when steatosis (a buildup of fat) in the liver causes liver inflammation and damage.

I’m] a chef and you might as well have hit copy/paste on every comment I have ever made about mash,” a top comment from u/texnessa reads. “This is how we make them in restaurants.