Does this study will answer the question behind the low-GI food trend, which is (as best as I understand the topic) : "what are the impact of high, medium, low

Does this study will answer the question behind the low-GI food trend, which is (as best as I understand the topic) : "what are the impact of high, medium, low GI food on our health as non diabetic people" ? Did they track the cohort meals ? (for reference https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/low-glycemic-index-diet/art-20048478 https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-h...)