“These combined health problems appear to promote the deposit of fat in the liver,” says the health body.
It adds: “For some people, this excess fat acts as a toxin to liver cells, causing liver inflammation and NASH, which may lead to a buildup of scar tissue in the liver.”
How to manage fatty liver disease
If you have fatty liver disease, you can make lifestyle changes to help stop it getting worse.
One of most important tips is to lose excess weight.