How to Find Clogged Arteries Before it's too late (ft. Dr. Johnston)
In a Nutshell
Dangerous soft plaque silently builds in arteries, risking sudden heart attacks, strokes, or amputations via rupture—not gradual narrowing—yet can be detected early and stabilized (or even reversed) with tools like CIMT for intima-media thickness and soft plaque, CCTA with AI for total plaque burden/volume/density, and CAC as a cheap initial screen (avoid repeats). Lifestyle changes (low-carb diet, exercise, weight loss), plus meds like low-dose statins, dramatically lowered one doctor's arterial age by 20 years on CIMT; focus on converting unstable soft plaque to stable calcified plaque and tracking inflammation via IMT over quantity changes prone to error. Prevent disability over mere death by acting early—especially with family history, diabetes, or smoking—using staging like cancer to guide aggressive risk reduction before late-stage surgery.
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Millions of men and women have dangerous plaque silently building inside their arteries. One microscopic crack in that plaque could end their story in minutes. Ways exist to find plaque before it finds you. Dr. Lily Johnston, vascular surgeon, opens, repairs, and protects blood vessels for brain, heart, and legs. Conversation covers how plaque hides in artery wall before symptoms, imaging and tests to reveal plaque early, and warning signs most brush off.
Everybody's got a plan until you get hit in the face. (Mike Tyson)
Host at age 57 got bad news of plaque and not-so-stable plaque—got hit in the face. Many in 50s, 60s, 70s get same punch and change plans. People think they did okay with nutrition and exercise, but life (family, work, travel) took over. Then they get serious, make changes, and get gut punch with plaque. All prior health improvements were not for nothing—provides longer runway to fix, manage, stabilize, if not reverse plaque. Some is genetic bad hand; bodies respond differently to modern environment (air pollution, microplastics, stress). Nutrition and movement worked; easier to manage when lifestyle dialed in. May still need more tools.
Dr. Johnston is vascular surgeon, still practices. Spent years making peace with awful disease: plaque rupture in neck causes stroke; in leg risks limb loss, amputation; kidney failure needs dialysis. Mortality rate of peripheral arterial disease (PAD) equals stage four cancer. Surgical management of PAD (plaque outside heart) is stage 4 cancer treatment. Why not diagnose and manage earlier, like cancer doctors, to avoid operating table with metastatic disease—like band-aid on hole in Hoover Dam.
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