Hi...., Choose healthy foods and maintain a healthy weight. Losing just 7 percent of your body weight if you're overweight can make a significant difference in your blood sugar control. A healthy diet is one with plenty of fruits, vegetables, whole grains and legumes, with a limited amount of saturated fat...Make physical activity part of your daily routine. Regular exercise can help prevent prediabetes and type 2 diabetes, and it can help those who already have diabetes to maintain better blood sugar control. Thirty minutes of moderate exercise — such as brisk walking — most days of the week is recommended.