Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs Nonalcoholic fatty liver diseaseUpdated: 2017-06-13OverviewThe cause of NAFLD is uncertain. Risk factors include obesity, gastric bypass surgery, high cholesterol, or type 2 diabetes. SymptomsMost people have no symptoms. Others may experience fatigue, pain, or weight loss. Sometimes, inflammation and scarring (cirrhosis) occur, causing liver failure or cancer. TreatmentsNo standard treatment exists. Instead, doctors will treat the underlying condition, such as obesity. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use