How can you prevent diabetes?

Diet & exercise. Sometimes you can't. If someone in your immediate family has diabetes, you are at high risk to develop it. You can help to prevent it by maintaining a healthy wieght (bmi < 25), exercising 30 minutes a day and eating a healthy diet (45 grams of carbohydrates max per meal).
Be healthy. Eat like you already have diabetes (low saturated fat, low sugar, high fiber diet), exercise daily, don't smoke, control lipids and blood pressure, and keep a healthy weight. See your doctor for help. If he/she won't help, get a new doctor.

Related Questions

How can you prevent gestational diabetes during pregnancy?

Diet exercise. Same way you can avoid diabetes outside of pregnancy: with healthy diet and regular exercise. Even if you follow these golden principles gestational diabetes mellitus can still develop if you are older than 35 hispanic obese and/or carrying twins. Minimizing pregnancy weight gain helps. Read more...
Lo carb, no sugar. Gestational diabetes is the result of excessive sugar and carbohydrate intake which causes high blood sugar levels, which then make your Insulin levels rise. Plus the hormone changes in preg make prob worse. . Over time the chronically high Insulin levels lead to Insulin resistance and you will need to make higher and higher levels of insulin. A lo carb, no sugar diet is effective for many women. Read more...

How can you prevent complications of diabetes?

Stay healthy. Your fasting glucose (before meal) should be between 80 & 120. Your sugar 2 hours after you eat should be < 140. Exercise at least 30 minutes a day. Keep your blood pressure < 130/80. Keep your hbba1c < 7. Keep your body mass index (bmi) < 30 (ideally < 25). Keep your LDL (bad cholesterol) < 100, your HDL >45, and triglycerides < 150. Follow a diabeic diet, take your medicines, see your doctor. Read more...
Control HbA1C. Keep your hemoglobin A1c (hba1c) under 6.5%, take your meds, exercise daily, count carbs (and keep them at goal), and eat less saturated fats. Read more...

How can you prevent type 1 diabetes?

Avoid illness. There is probably a genetic predisposition to dm1 that is like problem waiting to happen.If a kid has a viral infection, then develops antibodies that think his/her Insulin producing cells are related to the virus, then his/her immune system begins killing those cells &dm1 will result.The idea of a vaccine for the virus has been looked into but none are available at present. Research may fix this. Read more...
Experimental. There are some experimental investigations ongoing with a national program called trial net. If you have family member with type one diabetes, siblings and close relatives can be screened for antibodies that precede type one diabetes by years. Research is promising, but not quite ready for the big time yet. Read more...