Since I had been a marathon runner for 25 years before diagnosis it wasn't something I wanted to give up. I am sure it helps me keep good, stable blood sugar levels and I think part of this is because it reduces my need for insulin - the smaller the amount of insulin I am injecting, the more accurate I seem to be able to get it. The only problems that do occur are when I become more sensitive than I realise, so overestimate how much insulin to inject and have a few hypos. I am a different person when I am exercising regularly - more energy, much better moods, sleep better, have a better appetite, feel younger, maintain a good, healthy weight, more alert and generally enjoy life much more. It also helps with maintaining good cholesterol (HDL) levels and my blood pressure is pretty much perfect when I run 4-6 times a week. 🙂