Episode 19

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Published on:

19th Aug 2025

How Will BioRadar Help Us Detect the Unknown Unknowns?

In this episode of A Moment in Health, Dr. Ashish Jha highlights increasing denial rates by health insurers for drug prescriptions, a sharp rise driven in part by expensive GLP-1 drugs for diabetes and weight loss. He then unpacks a JAMA study tracking U.S. healthcare spending by condition and county, with wide geographic spending variations driven as much by prices as by disease burden. Distinguished Senior Fellow Nikki Romanik joins to discuss the concept of a BioRadar system — city-level pilots integrating environmental, clinical, and behavioral data to establish biological baselines and detect unknown threats early.

Dr. Jha discusses:

About the Guest

Dr. Nikki Romanik is a Distinguished Senior Fellow in Global Health Security at the Brown University School of Public Health. She previously served as the former Special Assistant to the President, Deputy Director and Chief of Staff for the Inaugural Office of Pandemic Preparedness and Response Policy at the White House. With over 15 years of experience at the forefront of national and international public health initiatives, Dr. Romanik has been dedicated to mitigating biological threats, strengthening pandemic preparedness, responding to outbreaks and pandemics, and ensuring global resilience in the face of public health crises. Prior to her service at the White House, she held senior leadership positions at the Centers for Disease Control and Prevention, Department of Health and Human Services, and the World Health Organization.

About the Host

Dr. Ashish K. Jha is the dean of the Brown University School of Public Health.

Music by Katherine Beggs, additional music by Lulu West and Maya Polsky

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About the Podcast

A Moment in Health with Dr. Ashish Jha
Public health expert Ashish Jha unpacks key issues influencing your health right now.
Emerging research, data that shapes everyday health choices and insights into the systems meant to keep us well — all in under 20 minutes. Join Dr. Ashish Jha, Dean of the Brown University School of Public Health, as he and guests unpack the key issues influencing your health right now, guiding you through this moment in personal and public health.