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Decoding Long COVID’s Impact on the Brain with Igor Koralnik, MD

Breakthroughs

Release Date: 03/23/2026

Rewind: Decoding Metabolism and Why When You Eat Matters with Joseph Bass, MD, PhD show art Rewind: Decoding Metabolism and Why When You Eat Matters with Joseph Bass, MD, PhD

Breakthroughs

We are re-sharing an episode that we originally released in March 2023 about circadian rhythms and metabolism, looking at how the timing of food consumption can impact weight gain and health. Since this episode was released Dr. Bass has led several other studies looking at circadian rhythms and weight loss. Most recently, his team published in the Proceedings of the National Academy of Sciences about an experimental RNA therapy that induces the body to burn calories and preserving lean mass, thereby enhancing the benefits of GLP-1s. More on the recent study can be found here:...

info_outline How Our Genes Predispose Us to Infection with Jean-Laurent Casanova, MD, PhD show art How Our Genes Predispose Us to Infection with Jean-Laurent Casanova, MD, PhD

Breakthroughs

Why does one person become critically ill from a virus while another person exposed to the same microbe remains completely healthy? This is the “infection enigma,” and Jean-Laurent Casanova, MD, PhD, has spent his career trying to solve it. A French pediatrician and immunologist, Casanova is the winner of Northwestern University’s 2026 Mechthild Esser Nemmers Prize in Medical Science. In this episode, Casanova discusses his paradigm-shifting discoveries and what they reveal about immunity, genetic predisposition and why some people develop life-threatening infections while others do...

info_outline Why It’s Important to Analyze Research Data by Sex with Nicole Woitowich, PhD show art Why It’s Important to Analyze Research Data by Sex with Nicole Woitowich, PhD

Breakthroughs

For decades, biomedical research relied heavily on male subjects, leaving important gaps in our understanding of how diseases and treatments affect women. In 2016, the NIH introduced a policy requiring that all eligible funding applicants consider the influence of sex in their research to better understand health and disease for all. Nearly a decade later, has research truly changed? In this episode, Nicole Woitowich, PhD, executive director of Northwestern University Clinical and Translational Science Institute (NUCATS), discusses her new study examining how well biomedical research is...

info_outline What is the Genetic Overlap Between Autism and Schizophrenia? with Peter Penzes, PhD show art What is the Genetic Overlap Between Autism and Schizophrenia? with Peter Penzes, PhD

Breakthroughs

In this episode, Peter Penzes, PhD, director of the Center for Autism and Neurodevelopment at Northwestern University Feinberg School of Medicine, discusses a recent discovery of a schizophrenia biomarker and how this research could one day offer earlier diagnosis, more precise treatment, and better outcomes for patients.  Learn more about how the field of neurodevelopmental research has evolved over the past decade with major advances in genetics, brain imaging and laboratory models. Large genomic studies have uncovered many more genes associated with risk of...

info_outline How a Tiny Device Could Transform Fetal Surgery with Aimen Shaaban, MD show art How a Tiny Device Could Transform Fetal Surgery with Aimen Shaaban, MD

Breakthroughs

Fetal surgery can be lifesaving for babies diagnosed with complex conditions before birth, but it comes with significant challenges, including limited ability to monitor the fetus in real time. A Northwestern Medicine team has developed a first-of-its-kind flexible probe, designed for continuous real-time fetal monitoring during surgery.   This innovation is the result of a collaboration between Northwestern University bioelectronics pioneer John Rogers, PhD, and Aimen Shaaban, MD, director of the Chicago Institute for Fetal Health. In this episode,...

info_outline Is Antimicrobial Resistance Threatening Modern Medicine? with Jennie Kwon, DO show art Is Antimicrobial Resistance Threatening Modern Medicine? with Jennie Kwon, DO

Breakthroughs

As the new chief of Infectious Diseases at Northwestern University Feinberg School of Medicine, Jennie Kwon, DO, is working in a rapidly evolving field rich with opportunities for discovery and impact. Her own research focus is one of the most pressing challenges in medicine today: antimicrobial resistance.  In this episode, she discusses the growing global threat of antimicrobial resistance and why this crisis could fundamentally disrupt modern medicine. 

info_outline New Insights Into Dopamine with Raj Awatramani, PhD, and Daniel Dombeck, PhD show art New Insights Into Dopamine with Raj Awatramani, PhD, and Daniel Dombeck, PhD

Breakthroughs

We are re-sharing this episode on dopamine and subtypes of dopaminergic neurons that may provide new insights into how we think about the role of dopamine. , and  led this research, and in this episode they explain how the results could change the field of dopamine research and pave the way for new research possibilities, especially concerning Parkinson's disease, a condition marked by a loss of dopamine neurons and motor system challenges.  

info_outline Improving Testing and Diagnosis of Hepatitis C with Claudia Hawkins, MD, MPH show art Improving Testing and Diagnosis of Hepatitis C with Claudia Hawkins, MD, MPH

Breakthroughs

A new, rapid Hepatitis C test developed by Northwestern University scientists could change the future of Hepatitis C care by delivering faster diagnosis and treatments for a disease that is estimated to impact 50 million people around the world. The research behind this new test, which was built on the DASH (Diagnostic Analyzer for Specific Hybridization) Rapid PCR system  was published in the . In this episode, Claudia Hawkins, MD, MPH, explains this study and the impact this test could have on the global effort to eliminate Hepatitis...

info_outline Decoding Long COVID’s Impact on the Brain with Igor Koralnik, MD show art Decoding Long COVID’s Impact on the Brain with Igor Koralnik, MD

Breakthroughs

Our understanding of how viral infections can affect the brain has changed dramatically in recent years, and the COVID-19 pandemic and research into long COVID has accelerated some of this new knowledge. Igor Koralnik, MD, chief of Neuro-Infectious Diseases and Global Neurology in the Department of Neurology at Feinberg has studied the long-term neurological effects of COVID-19 and developed tools to support patient recovery. In this episode, Koralnik shares the latest research on long COVID and talks about recent findings from his lab identifying a common virus in the brains of some patients...

info_outline Improving Imaging of the Spinal Cord with Molly Bright, DPhil show art Improving Imaging of the Spinal Cord with Molly Bright, DPhil

Breakthroughs

A novel functional MRI (fMRI) technique has been developed by Northwestern Medicine investigators to more accurately assess blood flow in the spinal cord. In this episode, , explains how his noninvasive method could one day help clinicians detect early signs of neurological disease or injury, monitor recovery and guide treatment decisions for patients with spinal cord conditions. 

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Our understanding of how viral infections can affect the brain has changed dramatically in recent years, and the COVID-19 pandemic and research into long COVID has accelerated some of this new knowledge. Igor Koralnik, MD, chief of Neuro-Infectious Diseases and Global Neurology in the Department of Neurology at Feinberg has studied the long-term neurological effects of COVID-19 and developed tools to support patient recovery.

In this episode, Koralnik shares the latest research on long COVID and talks about recent findings from his lab identifying a common virus in the brains of some patients with Parkinson's disease that may influence how Parkinson’s develops.