Can You Reverse Heart Disease? Early Detection, AI Scans & The Future of Cardiology
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Dr. John Osborne - ClearCardio
www.clearcardio.com
Podcast: Power of Prevention
YouTube: Clear Cardio
In this episode of Over 40 Fitness Hacks, I sit down with Dr. John Osborne, preventive cardiologist and founder of Clear Cardio, to talk about the biggest threat to longevity: cardiovascular disease.
While much of my show has historically focused on fat loss, muscle building, and aesthetics, this conversation shifts toward what truly determines lifespan — heart health. Dr. Osborne makes it clear: if you don’t have lifespan, healthspan doesn’t matter.
Dr. Osborne explains that cardiovascular disease has been the leading cause of death for over 120 years — responsible for roughly 40–45% of deaths, even during COVID. Globally, around 20 million people die each year from heart disease.
The problem? We typically detect it far too late.
Traditional cardiology focuses on finding severe blockages — the equivalent of detecting stage 4 cancer. But plaque (atherosclerosis) develops silently over decades. In fact, 85% of heart attacks occur in people without severe blockages detected beforehand, due to sudden plaque rupture.
Even more alarming:
Half of men and two-thirds of women experience a fatal event as their first symptom.
Most people have no warning signs.
Dr. Osborne’s mission is early detection — what he calls the cardiac version of a colonoscopy.
At Clear Cardio, they use:
Advanced 640-slice Cardiac CT technology
AI-enhanced imaging capable of detecting plaque the size of a period at the end of a sentence
Personalized prevention plans based on decades of lipid and cardiovascular expertise
According to Dr. Osborne:
99% of people have detectable plaque
Only about 1% are completely plaque-free
Most people feel perfectly fine and have normal stress tests
The difference is that this technology detects plaque long before symptoms appear — when it’s still reversible.
Dr. Osborne emphasizes that we already have powerful, proven tools:
Nutrition and exercise
Blood pressure and blood sugar management
Advanced lipid therapies
Targeted medications when necessary
The issue isn’t lack of treatment — it’s lack of early detection.
Even those with strong genetic risk can reduce their risk by 50% with proper lifestyle habits. And for those who “picked the wrong ancestors,” there are still highly effective treatment options available.
The cardiac CT scan also provides additional insights, including:
Lung imaging
Fatty liver detection
Bone density
Spine assessment
All with extremely low radiation exposure — roughly equivalent to a chest X-ray, and far less than traditional nuclear stress tests.
Dr. Osborne compares modern heart prevention to the early days of insulin in 1922 — a turning point that transformed diabetes care. He believes we’re at a similar tipping point for heart disease.
His ultimate goal?
To eliminate plaque-driven heart disease entirely — and put himself out of business.
Clear Cardio is currently operating in Dallas and Chicago, expanding to Manhattan, Miami, and other major cities, with the long-term goal of reaching high-population areas nationwide.
If you're interested in online personal training or being a guest on my podcast, "Over 40 Fitness Hacks," you can reach me at
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