Ask the doctors. My doctor said recently that I have pre-diabetes. What does that mean?

@article{Francis2003AskTD,
  title={Ask the doctors. My doctor said recently that I have pre-diabetes. What does that mean?},
  author={Gary S. Francis and Deepak L Bhatt},
  journal={Heart advisor},
  year={2003},
  volume={6 2},
  pages={8}
}