Know where you stand. Take this Centers for Disease Control (CDC) Prediabetes Screening quiz, and in less than 1 minute, you’ll find out if you could be at risk for prediabetes. If unstopped, prediabetes will most likely turn into full-blown diabetes. The great new is, if you catch prediabetes now, you might be able to stop the progression of type 2 and regain your health.