In Case You Had Any Doubts: Exercise Is Tops For Blood Sugar Control
An overview of 103 research reports comprising 10,455 subjects has found that it's better to stick to exercise than to spread yourself too thin by trying to change your activity level, diet, and medication all at the same time.
The meta-analysis, published in Diabetologia, also found that it didn't matter how young, old, overweight, or poorly in control of their sugars people were when they started: exercise was equally beneficial to them all.
The take-away? Narrow your focus if you have to, but do get out there and move.