Carmella Evans-Molina on the heterogeneity of type 1 diabetes, Samuel Seidu with an observational study on older adults with type 2 & the risk of falls, and more!

Welcome to episode no. 38 (October 2025) of Diabetes Care "On Air"—a new and different way to bring the research published in Diabetes Care to life. Join co-hosts Alice Cheng, MD, FRCPC, and Michael Rickels, MD, MS, as they discuss the latest and greatest content in the October 2025 issue of Diabetes Care and beyond.

2:11 Mike is joined by Carmella Evans-Molina, MD, PhD, the Eli Lilly Professor of Pediatric Diabetes at Indiana University, where she is Director of the Indiana Diabetes Research Center. She is first author on the article "The Heterogeneity of Type 1 Diabetes: Implications for Pathogenesis, Prevention, and Treatment—2024 Diabetes, Diabetes Care, and Diabetologia Expert Forum," available for free at doi.org/10.2337/dci25-0013.

18:15 Alice speaks with Professor Samuel Seidu from the Diabetes Research Centre at the University of Leicester in the U.K. His article, "Glucose Control, Sulfonylureas, and Insulin Treatment in Older Adults With Type 2 Diabetes and Risk of Falls and Fractures: An Observational Study," available for free at doi.org/10.2337/dc25-0517.

35:45 In the "Diabetes Care Rapid Exchange," Alice and Mike wrap up the episode by reviewing several interesting articles in the October 2025 issue of Diabetes Care. Studies highlighted in this segment include:

• Chen et al. Stroke Incidence Evolution in People With Newly Diagnosed Diabetes and Impaired Glucose Tolerance: A 34-Year Follow-up of the Da Qing Diabetes Study doi.org/10.2337/dc24-2675

• Thapa et al. Clinical and Demographic Characteristics Associated With Diabetes Remission in Six Integrated Health Care Systems: A Retrospective Cohort Study doi.org/10.2337/dc25-0530

• Hong et al. Differential Effect of GLP-1 Receptor Agonists and SGLT2 Inhibitors on Lower-Extremity Amputation Outcomes in Type 2 Diabetes: A Nationwide Retrospective Cohort Study doi.org/10.2337/dc25-0292

• Ljungberg et al. Risk of Phimosis Associated With SGLT2i Versus GLP-1RA: A Danish Cohort Study doi.org/10.2337/dc25-0693

• Larsson et al. Sight-Threatening Diabetic Retinopathy During and After Pregnancy—A Nationwide Matched-Cohort Study doi.org/10.2337/dc25-0758

• Zaharieva et al. Physical Activity Is Associated With Improved Glycemic Outcomes in Newly Diagnosed Youth With Type 1 Diabetes: 4T Exercise Program doi.org/10.2337/dc25-0765

To learn more about Diabetes Care, please visit diabetesjournals.org/care. Interested in submitting cover art to the journal? Please visit https://diabetesjournals.org/care/pages/submit_a_cover_image.