Prediabetes is a term used to describe elevated blood sugar levels that have not yet reached the threshold for a diabetes diagnosis. An analysis of data regarding 1.79 million hospitalizations for myocardial infarction found that prediabetes increases an individual’s risk for heart attack by 25%, percutaneous intervention (angioplasty) by 45%, and heart bypass surgery by 200%. Endocrine Society, June 2022