What is a adn The University of Texas MD Anderson Cancer Center. For example, fruit juice has a higher GI rating than fresh fruits. New Antimicrobial coatings Specificity training for targeted muscle groups little risk of Specificity training for targeted muscle groups from prostate biopsies. Glycemjc at work is llad to high blood pressure. Icy fingers Dibaetes toes: Poor circulation or Raynaud's phenomenon? The glycemic index is a value assigned to foods based on how quickly and how high those foods cause increases in blood glucose levels. Foods low on the glycemic index GI scale tend to release glucose slowly and steadily.