Fatty liver disease usually begins insidiously and progresses slowly. Most patients have no obvious discomfort in the early stage, and the condition is often discovered incidentally during physical examination or imaging for other reasons. When symptoms do appear, they are generally non-specific and easily overlooked. FatigueThe liver is an important organ for energy metabolism. When liver cells are filled with fat, their ability to synthesize glycogen and other energy substances decreases, resulting in insufficient energy supply and a persistent feeling of tiredness. Discomfort or dull pain in the right upper abdomenAs fat accumulates, the liver enlarges and the tension of... Learn more