Knife Down
"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.
Knife Down
My CIMT Walkthrough: How I Spot Plaque in 30 Minutes or Less
Use Left/Right to seek, Home/End to jump to start or end. Hold shift to jump forward or backward.
Sign up for more information on my own practice here: https://corsighthealth.com/
Wondering what a CIMT (carotid intima-media thickness) exam is actually like? In this quick “what to expect” walkthrough, I show you how the test works, what it feels like, how long it takes, and what the images can tell us about early plaque and cardiovascular risk.
Other tools for optimal health (note these are affiliate links):
Home BP Cuff: https://amzn.to/49Cq7rh
Sonicare Toothbrush: https://amzn.to/3KllfMS
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Apple Watch with sleep & HR monitoring: https://amzn.to/3XaUn5d
Oura Ring with sleep, cycle, and recovery monitoring: https://amzn.to/4riyhLS
Intake Breathing Nasal Support: https://amzn.to/48dfQQ1
Personal Blender: https://amzn.to/4pyNGGl
True Nutrition Protein: https://oken.do/q2xzqeqw
Glass Meal Prep Containers: https://amzn.to/4ocEPJ2
Sleep Mask: https://amzn.to/48fSJV5
Air Purifier: https://amzn.to/4puzTQZ
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🧬 About Dr. Lily Johnston
Dr. Johnston is a double board-certified vascular and general surgeon in San Diego, specializing in metabolic and cardiovascular prevention. She’s the founder of CorSight Health and a passionate advocate for reimagining how medicine approaches chronic disease.
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