Therefore, at the very least, if you keep up your current exercise
regimen, you can pre-empt or prevent the onset of Type 2 diabetes
altogether. In addition, exercise does increase HDL levels but does nothing to reduce LDL levels. LDL levels are managed by diet; keep your saturated fats DOWN as far as possible: avoid cookies, red meat, and any other foods high in saturated fat. All this said, there is a genetic influence and correlation as far as type 2 diabetes goes.