1031 - What is Prediabetes?

About this episode: Prediabetes—a diagnosis characterized by elevated blood sugar levels that can progress to Type 2 diabetes—is embroiled in debate about whether the condition is clinically "real," and, if so, what the threshold for diagnosis should be. In this episode: Epidemiologist and diabetes expert Elizabeth Selvin breaks down the controversy surrounding prediabetes and why she thinks the diagnosis offers an opportunity for intervention. Guest: Elizabeth Selvin , PhD, MPH, is a professor of Epidemiology at the Johns Hopkins Bloomberg School of Public Health, where she studies diagnosis and screening for diabetes and prediabetes. Host: Dr. Josh Sharfstein is distinguished professor of the practice in Health Policy and Management , a pediatrician, and former secretary of Maryland's Health Department. Show links and related content: Prediabetes and What It Means: The Epidemiological Evidence —Annual Review of Public Health Prediabetes Explained: An Under-the-Radar and Common Condition That Doesn't Have to Lead to a Diabetes Diagnosis —Johns Hopkins Bloomberg School of Public Health In Praise of Prevention —Hopkins Bloomberg Public Health Magazine Diabetes Prevention Program (DPP) —National Institute of Diabetes and Digestive and Kidney Diseases Transcript information: Looking for episode transcripts? Open our podcast on the Apple Podcasts app (desktop or mobile) or the Spotify mobile app to access an auto-generated transcript of any episode. Closed captioning is also available for every episode on our YouTube channel. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website .

You can listen to 1031 - What is Prediabetes? online on Radio and Podcast. Open the player on this page to stream the available audio.

1031 - What is Prediabetes? is an episode from Public Health On Call by The Johns Hopkins Bloomberg School of Public Health.

This episode is 15:03 long.

This episode was published on Apr 2, 2026.

Yes. Use the heart button on the episode page to add it to your favorite episodes list.

Yes. This page shows related episodes from Public Health On Call when more episodes are available from the podcast feed.