The next big risk factor that we need to pay attention to is diabetes. A diabetes increases the risk of stroke anywhere from three to six times. Nobody knows for sure. Diabetes has multiple effects in the brain. It actually is a risk factor for Alzheimer’s disease as well. The most important sort of piece of information on diabetes and stroke prevention. It’s diabetic control. Watching the diet, watching the number of carbohydrates in the diet and keeping that blood sugar low. Often your primary care provider or your endocrinologist will be looking at your, what’s called an A1c, and they want that A1c nice and low, preferably six or below.