Glucose control is key to preventing or delaying complications of diabetes
Any sustained lowering of blood glucose helps, even if the person has a history of poor control
DCCT. New England Journal of Medicine, 329(14), September 30, 1993.
Note:
The DCCT showed that tight glucose control slows the onset and progression of the microvascular complications of diabetes—eye, kidney, and nerve diseases.
In fact, it showed that any sustained lowering of blood glucose helps, even if the person has a history of poor control.
Reference
The DCCT Study Research Group. New England Journal of Medicine, 329(14), September 30, 1993.