Expert profile
Dr. Qi Sun
Nutrition researcher (Harvard)
Nutritional epidemiology and type 2 diabetes
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About the expert
Focus: Diet quality and type 2 diabetes risk
Qi Sun is a researcher at Harvard who studies how diet affects long-term health. His work looks at how food quality shapes the risk of type 2 diabetes. He focuses on careful, long-term nutrition studies.
Expert discussions with Dr. Qi Sun
Two low-carb diets can have opposite effects on diabetes risk
Not all low-carb diets protect against diabetes — the foods you pick may matter more than the carb count. Plant proteins, legumes, nuts, and whole grains are associated with a lower risk of type 2 diabetes in long-term population studies. Red meat, refined starch, and white potatoes may raise it.