In the last year I’ve written about a major change in our understanding of diabetes treatment.  The goals of treatment used to be to get blood glucose as close to normal non-diabetic levels as possible.  That usually meant increasing medication doses or adding additional medications until the glycated hemoglobin was down to normal.  (Glycated hemoglobin, or hemoglobin A1c, is a blood test that measures an average of blood glucose over the previous 3 months.)  Targeting normal glycated hemoglobin...