After two decades in medicine, I started questioning everything.
Dr. Ravi Kumar is a board-certified neurosurgeon who left the operating room to explore the questions that matter most about your health.
Listen to the PodcastEvery week, I cut through the noise of health headlines and marketing claims to bring you what the research actually says. No dogma, no agenda, just an honest look at the science that shapes how you live, heal, and thrive.
Latest Episode
Episode 56: Fluoride Science: Neurodevelopment Risks, Thyroid Function, and Water Filtration
Dr. Ravi Kumar takes apart the case for water fluoridation, the only medication delivered to the American public without informed consent. He traces the policy back to the 1945 Grand Rapids trial that was abandoned after 6 years, walks through the 2024 Cochrane Review that found the modern benefit is thin, and lays out the risk side almost nobody hears: dental fluorosis now affecting 65% of American adolescents, the National Toxicology Program and 2024 federal court ruling linking fluoride to lower childhood IQ, thyroid disruption, and oral microbiome effects on nitric oxide. He closes with a safer, clinically equivalent toothpaste alternative, hydroxyapatite, and a practical plan to reduce fluoride exposure.
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About Dr. Kumar
A neurosurgeon who started questioning everything
Dr. Ravi Kumar is a board-certified neurosurgeon and assistant professor of neurosurgery at the University of North Carolina. After years in the operating room, a transformative sabbatical in India changed how he saw medicine forever.
Now, through The Dr. Kumar Discovery, he explores the intersection of modern science, traditional wisdom, and the questions most doctors never think to ask.
Read the full storyBrowse Episodes
Episode 54: The Heart-Feet Connection Q&A: Rebuilding Your Foundation with Dr. Ronald Talis
Episode 53: The Heart-Foot Connection: Why Your Feet Are Warning You About Heart Disease with Dr. Ronald Talis
Episode 52: Lp(a) Q&A: Testing Kids, The Saturated Fat Debate, and Aspirin Risks
Episode 51: Lipoprotein(a): Genetic Risk, Seed Oils & 5 Steps to Protect Your Heart
Episode 50: The Silent Killer in Your DNA: The Truth About Lipoprotein(a): Sneak Preview
What Listeners Are Saying
★★★★★"So glad I found this podcast. Dr. Kumar doesn't want you to just mask symptoms, he wants you to understand root causes and help you truly heal. He is the best of both worlds - he shares a wealth of modern medical knowledge, but also empowers the listeners to take personal responsibility for their health."
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★★★★★"I love this podcast! It's smart and covers the science in very accessible ways. After each episode I feel empowered to make some changes in my life. Thanks, Dr. Kumar!"
Dr Kumar Review
★★★★★"Dr Kumar's podcasts have been such a great find! As an OR nurse I have worked with neurosurgeons for years. I found the podcasts to be informative, easy to follow and just the right length."
NRRN66
Reviews from Apple Podcasts