Non-alcoholic fatty liver disease (NAFLD) is caused by a build-up of fat in the liver, typically seen in people who are overweight or obese.
NAFLD is a progressive disease: starting from simple fatty liver (steatosis), NAFLD progresses to non-alcoholic steatohepatitis (NASH), to fibrosis, and ultimately to cirrhosis.
NICE CKS - Non-alcoholic fatty liver disease
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