Non-alcoholic fatty liver disease, obesity and other illnesses.

The estimated prevalence of NonAlcoholic Fatty Liver Disease in the general population in western countries is about 30%, but it is higher among obese and diabetic people. It is likely that more sophisticated approaches are required to understand its pathogenesis and to develop drug targets. In the meantime, the range of associations between NAFLD and other illnesses broadens. Although association does not mean causation, the link between some diseases and NAFLD suggests a common mechanism.