By Dr. Priyom Bose, Ph.D. Reviewed by Lauren Hardaker Aug 11 2025 New evidence from decades of data reveals why your method of potato cooking, or what you swap it for, could make a big difference to your long-term diabetes risk. Study:  Total and specific potato intake and risk of type 2 diabetes: results from three US cohort studies and a substitution meta-analysis of prospective cohorts . Image credit: Alexeysun/Shutterstock.com A study in the BMJ evaluated whether total and individual potato