Prediabetes is your body’s early alert—blood sugar is high but not yet diabetes. Often symptomless, it increases the risk of type 2 diabetes, heart disease, and stroke. 8 lifestyle changes to help you reverse prediabetes - Clean diet, Regular excercise, Lose excess waste, Stop smoking, Eat fewer carbs, Treat sleep apnea, Drink more water, Work with a dietitian or nutritionist.