The Ultimate Guide to Sauna, Cold Plunges, and Metabolic Health

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Photo: Unsplash.com/Huum Medical Disclaimer : This is for informational purposes only. For medical advice, diagnosis and treatment, please your doctor. Metabolic health dictates your daily energy, brain clarity, and long-term health span. Today, poor metabolic fitness drives chronic fatigue, weight gain, and modern diseases. Many people look for shortcut supplements to fix their bodies. However, two ancient physical stressors offer a powerful alternative: deliberate heat and deliberate cold exposure. Read more about metabolic health. Combining saunas and cold plunges creates a unique physical challenge. This practice is often called contrast therapy. It does more than burn calories or test mental grit. It changes your cellular physiology, stabilizes blood sugar, and upgrades mitochondrial function. This comprehensive guide breaks down how thermal shock alters your metabolism. You will learn how saunas and cold water impact glucose spikes, insulin sensitivity, and metabolic rate. Part...
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The Far-Reaching Implications of Vinay Prasad's Exit from US FDA

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Vinay Prasad M.D., M.P.H.


Vinay Prasad's departure from the US FDA has sent shockwaves through the pharmaceutical industry and beyond. As the head of the Center for Biologics Evaluation and Research (CBER), Prasad played a pivotal role in shaping vaccine and gene therapy regulations. 

His exit, announced on March 5, 2026, is expected to have far-reaching implications for the industry.

Prasad's tenure was marked by controversy, particularly around COVID-19 vaccine approvals. He advocated for stricter regulations, which led to clashes with industry stakeholders. His departure may lead to a more relaxed approach to vaccine approvals, potentially accelerating the development of new vaccines.

Prasad's CBER had been criticized for its handling of gene therapies, particularly for rare diseases. His exit may alleviate some of the regulatory uncertainty surrounding these treatments, potentially boosting investor confidence.

The industries have reacted to the exit of Prasad. Shares of companies like UniQure and Disc Medicine rose following Prasad's departure announcement, indicating a positive market response. Analysts suggest that his exit may reduce regulatory risk and uncertainty.

Prasad's departure adds to the FDA's leadership turmoil, with multiple high-profile exits in recent months. This raises concerns about the agency's ability to maintain regulatory consistency and stability.

Vinayak (Vinay) Kashyap Prasad M.D., M.P.H.,  performs dual roles in FDA. He serves as both the agency’s Chief Medical and Scientific Officer and the Director of the Center for Biologics Evaluation and Research (CBER).  

As Chief Medical and Scientific Officer, Dr. Prasad advises the FDA Commissioner and other senior officials on cross-cutting and emerging medical and scientific issues impacting regulatory science and public health. 

He provides strategic input and leadership on trans-center working groups and initiatives, ensuring scientific consistency and integration across FDA centers and builds partnerships with academic, governmental, and industry stakeholders. 

Dr. Prasad also provides senior medical and scientific input to the FDA Commissioner on cross-center medical policy and regulatory decisions, and acts as a senior medical and scientific representative at national, international, or advisory committee meetings and forums related to public health, regulatory science, and innovation.

In his role as director of CBER, Dr. Prasad supervises the FDA’s work regulating biological products for human use under applicable federal laws. CBER works to advance the public health by ensuring that biological products are safe and effective and available to those who need them and to provide the public with information to promote their safe and appropriate use.

Dr. Prasad came to the FDA from The University of California at San Francisco, where he has served since 2020 as a professor in the Department of Epidemiology and Biostatistics. Before that, Dr. Prasad was a Professor of Medicine in the Division of Medical Oncology and the Department of Public Health and Preventive Medicine at Oregon Health & Science University. His specialty is hematology and oncology. 

Before entering academia, Dr. Prasad had a Fellowship in Cancer Prevention at the National Cancer Institute and prior to that he was a Fellow in Oncology at the National Institutes of Health.

Dr. Prasad has published more than 500 academic articles, done extensive research in the field of oncology, and has presented at hundreds of scientific and medical conferences. He is the author of the books, “Malignant: How Bad Policy and Bad Evidence Harm People with Cancer” and “Ending Medical Reversal: Improving Outcomes, Saving Lives.” He was the host of the oncology podcast “Plenary Session” and ran The Drug Development Letter.

Dr. Prasad graduated from Michigan State University with a Bachelor of Science in Physiology and Philosophy. He received his M.D. from the University of Chicago Division of Biological Sciences Pritzker School of Medicine, with an Internship and Residency in Internal Medicine at Northwestern University, and a Master of Public Health from the Johns Hopkins University Bloomberg School of Public Health.

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