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"Knife Down" is what a surgeon says in the OR when she puts her scalpel down so no one gets hurt — and it’s the mission here: put the knife down, long before anyone needs to use it.
Knife Down is a podcast about how to actually invest in your health so you can live longer, stronger, and with less time in doctors’ offices. The core focus is the world’s leading cause of death—cardiovascular disease—and what to do about it before it shows up as a catastrophe.
Hosted by a vascular surgeon on a mission to put herself out of business, the show translates cutting-edge science on prevention, metabolic health, and longevity into real-world strategies you can use in clinic or at your kitchen table. Expect evidence, nuance, and zero wellness hype—plus the occasional dark joke about the state of modern medicine.
| Episode | Date |
|---|---|
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Half of Alzheimer's Patients Carry APOE4 - You Don't Have to Be One of Them
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May 18, 2026 |
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LDL Study Q&A: kidney damage, NNT, and funding sources
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May 14, 2026 |
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Can Low LDL Cause Dementia? Your Questions Answered
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May 14, 2026 |
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Is Ezetimibe the Secret to Preventing Dementia? Surgeon Reacts to Nick Norwitz MDPhD
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May 11, 2026 |
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Is Lower LDL Actually Better? New Research Has an Answer
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May 04, 2026 |
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The Truth About Aspirin and Heart Attack Prevention
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Apr 27, 2026 |
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Ask Me (Almost) Anything With Dr Johnston | Live Q&A
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Apr 20, 2026 |
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Is Your Candle Slowly Poisoning You? Vascular Surgeon Reacts to Joe Rogan
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Apr 13, 2026 |
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I'm a Vascular Surgeon — Stop Getting Repeat CAC Scans. Here's Why
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Apr 13, 2026 |
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Can You Unclog Arteries? A Vascular Surgeon Reacts to Dr Kevin Ham
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Apr 13, 2026 |
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GLP-1 Drugs Cut Heart Attack Risk — And It Has Nothing to Do With Weight
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Mar 30, 2026 |
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What We Get Wrong About Poor Circulation (with Vascular Surgeon Dr. Jackie Majors)
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Mar 23, 2026 |
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They Don’t Want You Well. They Want You Worried.
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Mar 08, 2026 |
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When "Healthy" Is a Lie: @DrFordBrewer on Insulin Resistance, Hidden Plaque & His Prevention Pivot
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Mar 02, 2026 |
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Hormones, Hot Flashes, & Heart Disease: Your Doctor Didn't Tell You THIS
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Mar 02, 2026 |
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Are We Treating Cholesterol Completely Wrong? | Vascular Surgeon Explains
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Mar 02, 2026 |
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5 Things I've Learned On Call as a Surgeon
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Mar 02, 2026 |
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My First No Incision Bypass | Advanced Treatment for Arterial Blockages
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Mar 02, 2026 |
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1 in 5 People Have This — And Most Never Get Tested
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Mar 02, 2026 |
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A Meal to Unclog Arteries? Watch This First (Dr. J Reacts to @LeonidKimMD )
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Mar 02, 2026 |
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High Lp(a)? Here's What Works (And What Doesn't)
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Mar 02, 2026 |
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The Cholesterol Myth That Won’t Die – A Vascular Surgeon Reacts to @Physionic
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Mar 02, 2026 |
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New Drugs Cut Lp(a) Over 90%...Will They Prevent Heart Attacks?
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Mar 02, 2026 |
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ChatGPT’s Medical Reply - Vascular Surgeon Fact Check!
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Mar 02, 2026 |
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My CIMT Walkthrough: How I Spot Plaque in 30 Minutes or Less
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Mar 02, 2026 |
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HIIT vs Heart Plaque: Randomized Trial Deep Dive
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Mar 02, 2026 |
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The Blood Pressure Myth That Won't Die: A Vascular Surgeon Reacts to @DrAlexWibberley
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Mar 02, 2026 |
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7 Life-Saving Tests Your Doctor Might Skip!
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Mar 01, 2026 |
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Amputations Broke My Heart. So I Changed Everything.
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Mar 01, 2026 |
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What a Vascular Surgeon REALLY Does (And How to Never Need One) | Lily Johnston, MD
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Mar 01, 2026 |
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5 MORE Tests That Reveal What's Really Happening Inside Your Body
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Mar 01, 2026 |
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The Scan That Reveals Heart Disease Years Before Symptoms
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Mar 01, 2026 |
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3 Myths About Menopause & Heart Health — A Surgeon Explains
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Mar 01, 2026 |