Nonalcoholic fatty liver disease (NAFLD) is a common cause of chronic liver disease among people who don't drink alcohol, and your risk for developing the condition increases along with your weight.

Nonalcoholic steatohepatitis (NASH) is a chronic progressive liver disease that is strongly associated with obesity.

Nonalcoholic fatty liver disease(NAFLD) is a kind of chronic liver disease, whose spectrum of the disease includes simple hepar adiposum, steatohepatitis(NASH), hepatic fibrosis, and cirrhosis.