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Afshine Emrani MD FACC

@afshineemrani

Jun 9

Post 1/5
I'm a cardiologist. Let me tell you about the bravest and most reckless experiment in the history of medicine.
In 1984, a 32-year-old junior doctor in Australia walked into his hospital laboratory on a Tuesday morning, picked up a glass beaker containing one billion live bacteria suspended in beef broth, and drank it.
He told no one. Not his wife. Not his ethics committee. Not his hospital.
He had a theory that the entire global medical establishment had been treating one of the most common diseases on earth incorrectly for nearly a century.
He had run out of other ways to prove it.
His name was Barry Marshall. This is the story almost nobody tells you — and the reason I think about him every day in my own practice.

2/5
In 1979, a quiet pathologist named Robin Warren was looking at stomach biopsy slides at the Royal Perth Hospital when he noticed something impossible. Spiral-shaped bacteria, alive and active, living on the stomach lining.
Every textbook said the same thing: nothing survives in the stomach. Hydrochloric acid strong enough to dissolve metal. Bacteria could not colonize that environment. Every professor said so. Every pathologist who'd ever seen something strange on a slide had assumed contamination.
Warren kept looking. He kept finding them. For three years, almost no one in the hospital would listen.
In 1981, a 30-year-old trainee named Barry Marshall rotated through his department. They biopsied a hundred patients together. Every patient with a duodenal ulcer had the bacteria. Every single one.
Marshall presented the findings at the 1983 Royal Australian College of Physicians meeting. He proposed that these bacteria — later named Helicobacter pylori — caused most peptic ulcers. The disease the world had been calling a stress disorder for decades was an infection. Curable with two weeks of antibiotics.
The room laughed at him.
Senior gastroenterologists had built careers on the stress theory. The pharmaceutical industry had just launched H2 blockers — headed by Tagamet, soon to be the best-selling drug on earth. Acid-suppressing drugs would peak at $6 billion per year. Telling that industry their products treated the symptoms of an infection curable with $30 of antibiotics was professionally suicidal.

3/5
Marshall spent a year trying to prove the theory with animals. The bacteria refused to colonize rats. Refused pigs. It was so perfectly adapted to the human stomach that it wouldn't live anywhere else.
Without an animal model, the establishment had a perfect reason to keep dismissing him.
On July 12, 1984, at 10 AM, in the laboratory at Fremantle Hospital, Marshall had himself endoscoped first. His stomach was confirmed completely healthy. No bacteria. No inflammation. No disease.
Then he mixed a culture from a patient — one billion live organisms — into warm beef broth.
And he drank it.
He went home that evening and had dinner with his wife and four young children. He told no one.
Three days: nothing. Day four: bloating. Appetite gone. His mother visited and recoiled — his breath smelled like something had died inside him.
Day five: vomiting every morning at 6 AM. Clear liquid. No acid at all. The bacteria had colonized so successfully that they'd shut down his stomach's acid production — the very acid they supposedly couldn't survive in.
Day ten: a camera down his throat. His entire stomach lining was inflamed. Helicobacter pylori everywhere. Severe active gastritis. The exact disease pattern he'd been seeing in patients for three years.
He had given himself, in ten days, the disease the world said couldn't be caused by a bacterium.
He still hadn't told his wife.
She found out at dinner. Her response: "You idiot." She made him take antibiotics immediately.

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Afshine Emrani MD FACC

@afshineemrani

Jun 8

I'm a cardiologist. I've held dying hearts in my hands in the cath lab at 3 AM. And I need to tell you something that changes everything about how we prevent heart attacks.

For decades, the entire field was built on one target: lower LDL cholesterol. Statins save lives — that's settled science. But too many of my patients did everything right — took their statins, hit their numbers, lived clean — and still ended up on my table with a ruptured artery.

We were treating the smoke while the fire kept burning.
The fire is inflammation. And the evidence is now overwhelming.

The CANTOS trial proved it first — lowering inflammation independent of cholesterol reduced cardiac events. But the newer data is what keeps me up at night.

AI-enhanced CT angiography can now detect inflamed arteries by measuring changes in the fat surrounding your coronary vessels — the perivascular fat attenuation index. Higher inflammation in the fat around even one artery independently predicts cardiac death. When multiple arteries show inflammation, the risk multiplies dramatically — even in patients whose cholesterol looks perfect.

This isn't theoretical. This is measurable. Right now. On a scan you can get this month.

Low-dose colchicine — a drug that's been around for centuries for gout — is now FDA-approved specifically for reducing cardiovascular events. It works by quieting the inflammatory cascade that destabilizes the plaque sitting in your arteries. A pill that costs pennies is saving lives the statins couldn't reach.

And the next wave is already in Phase 3 trials. Ziltivekimab — an IL-6 inhibitor — targets the central inflammatory pathway driving atherosclerosis. Phase 2 data showed a 90% reduction in hsCRP. The ZEUS cardiovascular outcomes trial is enrolling now, with results expected late 2026 into 2027. If positive, anti-inflammatory therapy will become standard in managing heart disease alongside lipid-lowering. The era of inflammation-targeted cardiology is arriving.
But it goes deeper than drugs. AI is now predicting heart failure and cardiac events 5+ years before symptoms — integrating CT imaging, electronic health records, and genetic data with accuracy that jumps far beyond traditional risk calculators.

And polygenic risk scores — a simple genetic test that flags inherited cardiovascular risk — are now formally recognized as a risk-enhancing factor in the 2026 ACC/AHA guidelines. A single blood draw can reveal risk that's been silently building since birth. Decades before the first chest pain.

Here's what this means for you right now — today:
Ask your doctor for a high-sensitivity CRP test. It's cheap, routine, and measures the systemic inflammation that standard cholesterol panels completely miss. You can have perfect LDL and inflamed arteries that are quietly preparing to rupture.
If your hsCRP is elevated, discuss low-dose colchicine with your physician. It's FDA-approved for exactly this.
Push for a coronary CT angiography with AI plaque and inflammation analysis if you have risk factors. This isn't the stress test your parents got. This is 3D visualization of your actual arteries — with AI quantifying not just how much plaque you have, but what kind it is and whether the surrounding tissue is inflamed.
Consider polygenic risk score testing — especially with a family history of early heart disease. It's now guideline-supported.

And the foundation that never changes: move daily, eat real food, sleep 7-9 hours, manage stress, and know your numbers — ApoB, Lp(a), hsCRP, fasting insulin.
I left Iran as a child with nothing. I rebuilt everything in a country that gave me the freedom to become a physician. I've spent twenty years watching patients get second chances.

The ones who haunt me aren't the ones who died on my table. They're the ones who survived but never acted on what the science was telling them — years before the event that didn't have to happen.

You can have perfect cholesterol and still have a heart attack. Inflammation plus genetics can drive plaque rupture in arteries that look "fine" on a standard panel.
The myth that normal cholesterol means you're safe has cost more lives than I can count.

We now have the tools to detect the fire — not just the smoke. AI to see it. Genetics to predict it. Drugs to quiet it. And the ancient basics — movement, real food, sleep, purpose — to prevent it from starting.

Prevention is the new cure. And the science to make it real is no longer coming.
It's here.

If you want to read more:
open.substack.com/pub/afshine/p/…

https://x.com/afshineemrani/status/2064375607237157264?s=20

https://x.com/afshineemrani/status/2064375607237157264?s=20

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Afshine Emrani MD FACC

@afshineemrani

Jun 6

1/5
I'm a cardiologist. I'm 58 years old. I was born in Iran, exiled as a child, and rebuilt my life from nothing in a country that owed me nothing.
It took me decades to understand what I'm about to tell you.
I learned some of these lessons in medical school. Some in the cath lab at 3 AM. Some from Rumi and Rabbi Nachman. Some from patients who taught me more about living in their final hours than I learned in four years of residency.
I wish someone had given me these words at twenty. No one did. So I'm giving them to you now.

2/5
The less you say, the more your words carry. I've spent thousands of hours in ICU waiting rooms. The person everyone turns to is never the one who talked most. They're the one who waited, listened, and spoke only when it mattered. Silence isn't emptiness. It's precision. The Kotzker Rebbe said: not everything that is thought should be said. Not everything said should be written. Not everything written should be published.
Don't take everything personally. Most people are far too consumed by their own fears and insecurities to think about you as much as you imagine. I spent years believing the world was scrutinizing my every misstep. It wasn't. It was busy with its own. The freedom that comes from truly understanding this is one of the most underrated gifts of getting older.
What you focus on becomes your reality. The Kabbalists mapped this centuries ago — where your attention goes, your life follows. I've watched patients with terrible prognoses outlive patients with better numbers, because one group focused on what they could still build and the other focused on the verdict. Your mind is not a passenger in your life. It's the steering wheel.

3/5
One day, your pain will make sense.
My family lost a 2,700-year home in Iran. We left with almost nothing. For years that felt like pure destruction — a story with no redemption, no purpose, just loss.
That exile became the reason I practice medicine in freedom. Write books in English. Raise my children in safety. Stand here today speaking to you.
The heartbreak, rejection, failure, and disappointment you curse right now may become the very foundation you build everything on. You cannot see it from inside the pain. But I'm 55 and I'm telling you — from the other side — it was all curriculum. Every last piece of it.
Rabbi Nachman said: if you believe you can break, believe with equal force that you can repair. The breaking was never the end of the story. It was the opening.
Every person enters your life for a reason. Some come to love you. Some to teach you. Some to wake you up. And some to show you exactly what you should never accept again. The Baal Shem Tov taught that every encounter is a divine appointment — even the ones that shatter you. Especially those.

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Afshine Emrani MD FACC

@afshineemrani

Jun 5

1/5
I'm a cardiologist. I see it every day in clinic. Heart failure. Clogged arteries. Early cognitive decline. Fatty liver progressing toward cirrhosis. Patients on five medications who are still losing ground.All driven by the same metabolic storm. A drug just dropped Phase 3 data that has the entire field paying attention. And this isn't just another weight-loss shot.
Retatrutide.
Eli Lilly's triple agonist.
The data is unlike anything we've seen in cardiometabolic medicine. Let me walk you through exactly why — and what it means for the future of heart disease.

2/5
The mechanism is what separates this from everything on the market.
Ozempic activates one receptor — GLP-1. Suppresses appetite. ~15% weight loss. Zepbound activates two — GLP-1 and GIP. Better appetite suppression, better insulin sensitivity. ~22%. Retatrutide activates three — GLP-1, GIP, and glucagon. 28% average body weight loss. Roughly 70+ pounds.
That third receptor changes the game entirely. Glucagon activation doesn't just reduce appetite. It switches your metabolism to actively burn stored fat as fuel. Ketone bodies rose 2-3x in the trial — confirming a cellular fuel-source shift.
Appetite down. Energy expenditure up. Dual attack on the disease from both directions.
Even the lowest dose — 4mg — already outperformed Wegovy's full dose. At the highest dose, some patients actually had to stop the drug because they lost too much weight.
That has never happened before with an obesity medicine at this scale. The challenge shifted from losing weight to maintaining a healthy new normal.

3/5
But as a cardiologist, the weight loss isn't what stops me in my tracks.
In a dedicated liver study, retatrutide cleared 86% of liver fat on average. 93% of patients on the highest dose reached normal liver fat levels.
For context — semaglutide reduces liver fat roughly 40-50%. Tirzepatide about 50-55%. Retatrutide: 86%. That's not a marginal improvement. That's a different class of medicine.
1 in 3 adults now faces fatty liver disease. Fatty liver drives cirrhosis, liver failure, and the downstream cardiovascular catastrophe I treat in my practice every day. The glucagon component tells the liver directly to burn its stored fat — attacking the disease at the source organ while GLP-1 and GIP simultaneously reduce the caloric surplus that caused it.
Add the massive reductions in inflammation and triglycerides — and you're looking at a drug that doesn't just shrink waistlines. It reverses the root metabolic drivers of heart disease, the number one killer on earth.

Read 6 tweets

Afshine Emrani MD FACC

@afshineemrani

May 29

1/5
I'm a cardiologist. I'm also an Iranian Jew.
I don't talk about this often on here. But today I want to tell you something about who I am — and why I see the world the way I do.
My family's roots in Persia stretch back roughly 2,700 years. We were among the oldest continuous Jewish communities on earth. Synagogues in Isfahan. Scholars in Shiraz. Merchants and physicians in Tehran. We survived every empire that rose and fell across that ancient land.
And then, in a single generation, most of it vanished.
After 1979, the Jewish community of Iran — once 100,000 strong — collapsed. My family was among those who left. We carried our faith, our language, our poetry, our medical traditions, and the memory of a home that no longer wanted us.
We came to America.

2/5
I love this country with a depth I think only immigrants fully understand.
Not the abstract love of someone born into abundance. The fierce, protective, almost desperate love of someone who has seen what happens when the foundations that guarantee liberty shift beneath your feet.
America gave my family something Persia could not: the freedom to build without fear. The freedom to practice medicine. To pray openly. To raise children in safety. To write, to speak, to dream — without looking over our shoulders.
Every opportunity I've had — UCLA, my cardiology practice, my books, this platform — exists because America kept its promise to a family that arrived with almost nothing.
That kind of debt doesn't expire. And that kind of gratitude doesn't stay quiet when you feel the foundations being tested.

3/5
When you come from a heritage that has experienced civilizational loss, you see cultural shifts differently than people who haven't.
I've watched it happen across the Middle East.
The ancient Christian communities of Lebanon, Syria, Iraq, Egypt, Turkey, and North Africa — once the thriving heart of the Christian world — have dwindled to tiny fractions of what they were. Communities that endured for centuries, with ancient churches, scholars, and traditions stretching back to the earliest days of Christianity.
The Copts. The Assyrians. The Chaldeans. The Maronites. The Yazidis.
The physical geography remains. But the cultural fabric has been fundamentally altered. These communities didn't disappear overnight. The change was gradual — decade by decade, generation by generation — until one day the landscape was unrecognizable.
My own community is proof. 2,700 years in Persia. Gone in a generation.

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Afshine Emrani MD FACC

@afshineemrani

May 28

1/5 I'm a cardiologist. After twenty years of treating hearts, I've arrived at a truth that changed how I practice medicine.
The health of your brain is inseparable from the health of your heart. They rise or fall together.
And cognitive decline doesn't begin the day you forget a name or misplace your keys.
It begins years earlier — the moment movement quietly disappears from your daily life.
This isn't a metaphor. It's a biological mechanism. And once you understand it, you'll never think about sitting the same way again.

2/5
Your brain is the most adaptive organ in your body. It constantly scans for demand.
When you sit for hours — at a desk, in a car, on a couch — your nervous system receives a very clear message: demand is low. The body isn't moving. The brain reasons it doesn't need to maintain full processing power.
So it begins to dial things down.
Neuroplasticity decreases. BDNF — the brain's natural growth fertilizer — drops. Neural connections get pruned. The hippocampus, prefrontal cortex, and other regions governing memory, focus, and decision-making slowly shrink.
Here's the insight that changes everything: your brain isn't breaking down from damage.
It's adapting. Rationally. To reduced demand.
The same way a muscle atrophies when it isn't loaded, your brain withdraws investment when it isn't challenged by physical movement. And the adaptation happens terrifyingly fast — a few weeks of prolonged sitting can shift the trajectory.

3/5
I see this pattern in my cardiology practice every day.
Patients who develop atrial fibrillation, coronary disease, or heart failure almost always show cognitive changes at the same time. Not because "old age" suddenly arrived — but because years of sedentary living sent the identical signal to both their heart and their brain: we are not being used.
The heart weakens. The brain retreats. Same cause. Same timeline. Same patient.
Prolonged sedentary time is independently linked to worse outcomes even in people who exercise regularly. That's the part most miss — a morning workout doesn't fully undo eight hours of sitting. The nervous system adapts to the dominant signal of the day. And for most people, the dominant signal is stillness.
This is most dramatic in Parkinson's disease. Patients who stay physically active — walking, lifting, dancing, moving with intention — hold onto their cognitive abilities far longer, even as motor symptoms progress.
It's not simply better blood flow or more BDNF. It's the fundamental way the nervous system responds to perceived demand.
Keep moving, and the brain keeps investing. Stop moving, and it begins to withdraw resources.

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