Possibly. The latest research has shown that diet and exercise and weight reduction are the biggest factors affecting pre-diabetes. There are some programs using a drug such as metformin in this condition. Best advice - keep your weight down and exercise regularly. Discuss the use of medication with your doctor if this does not do the whole job.
Yes and No! There is much disagreement in the healthcare community on this one. What i see in my wellness practice is that following a low processed carbohydrate diet, while consuming healthy fats as opposed to processed fats, helps to lower body fat and weight, lower inflammation, and lower the risk of developing prediabetes.