Pernicious anaemia accounts for 80% of cases of megaloblastic anaemia due to impaired absorption of vitamin B12. Vitamin B12 is present in meat and animal protein foods. Absorption occurs in the terminal ileum and requires intrinsic factor, a secretion of gastric mucosal (parietal) cells, for transport across the intestinal mucosa. In pernicious anaemia, intrinsic factorContinue reading “Anaemia, causes, drugs, folate in beer, beer carbs”