Insulin causes increase in blood sugar in long run

My Diabetic mother – Age 80 years On insulin for last 30 years Blood Sugar medicines for last 40 years Open heart surgery in 1991 Cholesterol lowering drugs for last 40 years Constipation medicines for last 40 years No direct sugar intake. Had severe heart issues for last 2 years. Every second month hospital admission   Last 2 years insulin 55 units per day.   Results – Uncontrolled...