Accessible information on the causes, health risks, and treatment of prediabetes. If you or someone you love has been diagnosed with prediabetes a heightened level of glucose, and/or impaired glucose tolerance - the time to act is now. Prediabetes For Dummies examines the signs and symptoms of this potential precursor to diabetes and offers up-to-date information about treatment. It provides clear, practical advice on steps you can take to minimize the risk of serious health consequences.