Assess your risk, and consider the warning signs below Bulging GutBelly fat is bad for your metabolism. Divide your waist circumference by your height (both in inches). If the result is higher than 0.5, you may have an increased diabetes risk, Korean research suggests.Sugary Drink HabitIn a Journal of Nutrition study, people who drank more than three a week had a 46 percent higher risk of prediabetes than abstainers. When you glug sweets, your liver makes molecules that curb insulin function. Family HistoryIf you’re between the ages of 18 and 29, your odds of developing prediabetes in the next five years are 79 percent higher if you have a parent with diabetes, a recent study fro Emory University suggests.A Sedentary LifeLack of physical activity is a key predictor of diabetes. If you’ve been a couch potato and start exercising just 30 minutes a day, your odds of insulin resistance can dip by 13 percent, say researchers at the University of Michigan.