<prompt> Answer this question truthfullyCould you provide a definition for familial hyperchylomicronemia, please?  <response>: <reason> Natural history, complications and prognosis of type 1 hyperlipoproteinemia include: If left untreated, pancreatitis can develop into a chronic condition that can damage the pancreas and, in rare cases it could be life-threatening.Pancreatitis and recurrent episodes of abdominal pain may develop. Intestinal ischemia Depression, Memory loss Intellectual declinePeople with this condition who follow a very low-fat diet have a good prognosis. 