Fast-Food Liver Damage Can Be Reversed, Experts SayDiets high in fast food can be highly toxic to the liver and other internal organs, but that damage can be reversed, says one of the country's leading experts on non-alcoholic fatty liver disease, who offers four steps to undo the effects of a 'super-size me' diet. (Credit: iStockphoto/Marketa Ebert) ScienceDaily (May 2, 2008) — Diets high in fast food can be highly toxic to the liver and other internal organs, but that damage can be reversed, says one of the country’s leading experts on non-alcoholic fatty liver disease, who offers four steps...