Most People Have Prediabetes and Dont Even Know It (video)
Pre-diabetes is way more common that people think. Joseph Krauft MD, authored the book, Diabetes Epidemic & You, which is a great book to demonstrate the importance of testing fasting insulin levels (and post-eating too) compared to a glucose tolerance test. Assessing insulin in the blood will pick up early signs of pre-diabetes and insulin resistance BEFORE testing blood glucose levels. However, doctors rarely test insulin levels.
For more info ... please click the ( Dr. Eric Berg DC YouTube Channel ) previous Hat/Tip link.