The time from pre-diabetes to diabetes varies from person to person, with large individual differences. It is possible for some people with prediabetes to return to normal and not progress to diabetes with aggressive intervention and treatment. Prediabetes is when blood glucose is higher than the normal range, but has not yet reached the level of diabetes. At this time should be timely intervention, to dietary control and appropriate exercise, low-sugar, low-salt, low-fat diet, obese people should lose weight, part of the pre-diabetic population is possible to return to normal without progressing to diabetes. There are also some people who eventually develop diabetes, the specific time varies from person to person, and is related to genetics, diet, other concomitant diseases and other factors. It is recommended that people with pre-diabetes seek medical attention in a timely manner.