Some individuals can develop fatty liver.
Most people who do not abuse alcohol and have fatty liver are obese. Fatty liver is called steatosis, and fatty liver with liver inflammation is called or steatohepatitis. Steatosis and steatohepatitis can be caused by alcohol and other drugs and can also sometimes occur in patients with diabetes mellitus. The factors that determine who will develop fatty liver are not known. Some mildly obese and occasional non-obese patients will develop fatty liver while some who are severely obese will not.