Today on Health & Longevity, Dr. John Westerdahl features guest, Carol Johnston, Ph.D., R.D. - Professor of Nutrition and Associate Director of the School of Nutrition and Health Promotion at Arizona State University. For centuries apple cider vinegar has been used medicinally as a natural remedy as well as a common food ingredient in many cultures worldwide. Dr. Carol Johnston discusses her exciting new research that shows that apple cider vinegar can help manage blood glucose levels in those at risk of Type 2 Diabetes.