Diabetes is a metabolic disorder in which the body fails to produce enough insulin or rejects it, thus raising the blood sugar levels to an abnormal extent. High blood sugar levels lead to fatigue, frequent urination, lowered immunity, slow healing of wounds, etc. Diabetes cannot be cured, but its symptoms can be treated controlled. Here are a few proven ways to never get diabetes, unless you have a family history of this disease. Maintain A Healthy BMI - Numerous research studies have proven that maintaining a healthy BMI is one of the best ways to prevent and treat a number of diseases, including diabetes. Ensure that they lose or gain weight accordingly, by making healthy lifestyle changes. Consume Salads - Ensure that you consume a bowl of salad, with assorted vegetables and leafy greens such as carrots, cucumbers, lettuce, tomatoes, onions, garlic, etc., at least once a day, before lunch or dinner. Consuming salads with vinegar can help the blood absorb less sugar.