I'm a cardiologist. Let me tell you what I see in my practice that breaks my heart more than any clogged artery.
A patient walks in carrying five diagnoses โ obesity, high blood pressure, type 2 diabetes, fatty liver, and gout โ on seven medications. Each prescribed by a different specialist. Each treating one symptom. None of them talking to each other.
Nobody told this patient the five diagnoses are one disease.
They are five faces of the same metabolic dysfunction. And the root is almost always the same: chronically elevated insulin driving fat storage, inflammation, and organ damage simultaneously.
Medicine gave this patient a bigger bucket under every leak instead of fixing the roof.
Here's the roof. And how to fix it.
In 2025, the ICD-10 coding system โ the official classification used by every hospital and insurance company in America โ added a new code: E11.A. Type 2 diabetes in remission. Medicine now officially recognizes that type 2 diabetes is not a permanent, progressive sentence. It can be reversed.
The DiRECT trial in the UK achieved 46% diabetes remission at one year through intensive dietary intervention. A 2025 Indian study of 2,384 patients achieved 31% remission. A 2024 trial in Pacific Islanders achieved 23% remission โ with some patients entering remission without significant weight loss, proving the mechanism is metabolic, not just weight-driven.
This is not theoretical. It's published, replicated, and now coded in the medical system. Your doctor can document your reversal.
Here's the protocol I walk patients through โ step by step.
๐ฆ๐๐ฒ๐ฝ ๐ญ: ๐ฅ๐ฒ๐บ๐ผ๐๐ฒ ๐๐ต๐ฒ ๐ถ๐ป๐๐๐น๐ถ๐ป ๐ฑ๐ฟ๐ถ๐๐ฒ๐ฟ๐.
For the first 30-60 days, eliminate the foods that spike insulin repeatedly throughout the day: added sugars, sugary drinks, refined carbohydrates (bread, pasta, rice, cereals, pastries), ultra-processed foods, and excess alcohol.
This isn't about calories. It's about insulin. Every spike locks fat inside fat cells, drives fat storage in the liver, raises blood pressure, elevates uric acid, and fuels systemic inflammation. Remove the constant trigger and your body stops being in defense mode.
Cravings peak around days 3-7 and then drop dramatically. Most patients report a clarity of mind by week two that they haven't felt in years.
๐ฆ๐๐ฒ๐ฝ ๐ฎ: ๐ฅ๐ฒ๐ฏ๐๐ถ๐น๐ฑ ๐๐ถ๐๐ต ๐ฟ๐ฒ๐ฎ๐น ๐ณ๐ผ๐ผ๐ฑ.
Every meal: generous protein (30-50g), non-starchy vegetables (half the plate), healthy fats for satiety (olive oil, avocado, eggs, nuts, butter). Protein at every meal is non-negotiable โ it stabilizes blood sugar, preserves muscle mass, and keeps you full for hours.
No calorie counting needed at the start. When you remove the processed foods that hijack appetite signaling, most people naturally eat less without trying โ because their leptin and ghrelin systems start working properly again.
I'm a cardiologist. After 40, stop guessing about your health. These numbers tell you whether you're building a long, vibrant life โ or quietly declining without knowing it.
I run these on myself. I run them on every patient I care about. Most are cheap bloodwork. All are available now. And together, they paint a picture no standard annual physical will ever give you. Print this. Bring it to your next appointment. Your 60-year-old self will thank you.
๊ท๊ท๊ท
๐๐ฎ๐๐๐ถ๐ป๐ด ๐๐ป๐๐๐น๐ถ๐ป
Target: below 5 ฮผIU/mL. Ideal: 3-4.
This is the 10-year warning bell your standard panel completely misses. Your glucose and A1c can look "normal" for a decade while your pancreas is working overtime to keep them there. Fasting insulin catches insulin resistance 5-10 years before your A1c moves. By the time A1c rises, the damage is already extensive.
๐๐ข๐ ๐-๐๐ฅ
Target: below 1.0.
Calculated from fasting insulin and fasting glucose. The single best measure of insulin sensitivity. Above 1.0 and your metabolism is already under strain. Above 2.5 and you're insulin resistant โ even if every other number looks fine.
๐๐ฏ๐๐ญ๐ฐ
Target: below 5.4%.
Not below 5.7% โ that's the threshold where medicine calls you "prediabetic." By then you've been metabolically compromised for years. Optimal is below 5.4%. Blood sugar mastery is longevity mastery.
๐ง๐ฟ๐ถ๐ด๐น๐๐ฐ๐ฒ๐ฟ๐ถ๐ฑ๐ฒ : ๐๐๐ ๐ฅ๐ฎ๐๐ถ๐ผ
Target: below 2. Ideal: below 1.
Your metabolic health crystal ball. This ratio predicts insulin resistance, cardiovascular risk, and metabolic syndrome better than any single lipid number alone. A ratio above 3.5 is a red flag regardless of what your total cholesterol says.
๐๐ฝ๐ผ๐
Target: below 80 mg/dL for moderate risk. Below 60 for high risk.
I've written about this extensively. ApoB counts every atherogenic particle hitting your artery walls. A 2024 analysis found 54% of patients had dangerous levels that standard LDL testing completely missed. If you only know your LDL, you're driving with one eye closed.
๐๐ฝ(๐ฎ)
Test once in your lifetime.
100% genetic. 1 in 5 Americans are elevated. Triples heart attack risk independently of everything else on this list. Diet and exercise cannot lower it. The 2026 ACC/AHA guidelines now recommend everyone be tested. Most never have been.
๐ต๐-๐๐ฅ๐ฃ
Target: below 1.0 mg/L.
You can have perfect cholesterol and inflamed arteries silently preparing to rupture. hs-CRP measures the fire behind the plaque. The JUPITER trial proved that finding and treating inflammation saves lives โ even when lipids look fine. If this number is elevated, your mouth, your gut, your metabolic health, and your visceral fat are the first places to investigate.
๐ฉ๐ถ๐๐ฎ๐บ๐ถ๐ป ๐
Target: 50-80 ng/mL.
Not the bare minimum of 30 your doctor accepts. Suboptimal vitamin D is linked to higher inflammation, weaker immunity, increased cardiovascular events, worse mood, and poorer outcomes across nearly every disease I treat. Supplement D3 with K2 โ without K2, calcium deposits in your arteries instead of your bones.
๐ง๐ฒ๐๐๐ผ๐๐๐ฒ๐ฟ๐ผ๐ป๐ฒ (๐ง๐ผ๐๐ฎ๐น + ๐๐ฟ๐ฒ๐ฒ)
Men: optimal range 600-1000+ ng/dL total.
Declining testosterone is an independent predictor of cardiovascular death in men. It's tied to insulin resistance, arterial stiffness, visceral fat accumulation, and systemic inflammation. DHEA-S drops 10-20% every decade after 30. Tracking these isn't about vanity โ it's evaluating your body's systemic resilience.
๐๐น๐ผ๐ผ๐ฑ ๐ฃ๐ฟ๐ฒ๐๐๐๐ฟ๐ฒ
Target: below 120/80. Aim closer to 110/70.
Every point above optimal is cumulative arterial damage. Buy a home cuff. Measure morning and evening, seated quietly for five minutes, arm at heart level. White-coat readings in the office miss what's really happening. The smartest $40 investment in cardiac self-care.
๐ฉ๐ข๐ฎ ๐ ๐ฎ๐
Men over 40: above 40 mL/kg/min. Women over 40: above 35.
Cardiorespiratory fitness is the single strongest predictor of all-cause mortality โ stronger than smoking, diabetes, or heart disease as individual risk factors. A landmark study in JAMA found that extreme fitness was associated with the lowest mortality with no upper limit of benefit. You can estimate VO2 max with a timed mile, a rower test, or a wearable. Get faster every year.
๐ก๐๐บ๐ฏ๐ฒ๐ฟ ๐ผ๐ณ ๐ ๐ฒ๐ฑ๐ถ๐ฐ๐ฎ๐๐ถ๐ผ๐ป๐
Target: as few as possible.
Every medication you're on should be earning its place. I just wrote about five commonly prescribed drugs that do more harm than good with long-term use. Bring your full medication list to every appointment. Ask: "Do I still need this?" Deprescribing is one of the most powerful and underused tools in medicine.
๊ท๊ท๊ท
Thirteen numbers. Most available through cheap bloodwork and simple tests. Get them once or twice a year. Here's what I want you to understand: these numbers don't just tell you where you are. They tell you where you're heading. A fasting insulin of 8 today becomes diabetes in five years. An ApoB of 120 today becomes a heart attack in ten. An hs-CRP of 3 today means your arteries are inflamed right now โ regardless of how healthy you feel. The standard annual physical checks a fraction of these. It was designed to find disease that's already there. This panel finds the disease that's coming โ years before it arrives.
What gets measured gets improved. Optimize with the foundation I write about every week on this platform:
Zone 2 cardio plus resistance training 3-4 times per week. High-protein whole-food nutrition. Sleep 7-9 hours โ non-negotiable. Morning sunlight. Stress management. And the targeted supplements I've covered in detail โ creatine, magnesium, CoQ10, D3+K2, glycine, omega-3, psyllium husk.
The breakthroughs coming in the next decade โ gene editing for cholesterol, cellular reprogramming, senolytics that clear senescent "zombie" cells driving inflammation and aging, GLP-1 drugs rewriting metabolic medicine โ will be most powerful for people who've already built the metabolic foundation to receive them.
The future of medicine is personalized. But it starts with knowing your numbers today. Print this list. Book the bloodwork. Own the data. Prevention isn't passive. It's the most aggressive thing you can do for the decades ahead.
open.substack.com/pub/afshine/p/โฆ
Jun 15 โข 7 tweets โข 5 min read
1/6 An American @POTUS just told Israel to lower its sword.
@realDonaldTrump on his 80th birthday. With the enemy cornered.
Half the Jewish world feels betrayed today.
I don't.
And if you feel abandoned, confused, even gutted โ hear me first: you're not naรฏve. You're paying attention. I feel it too.
I'm just not going to stop there. Let me tell you what history is going to say about this moment.
2/6 For forty years, American presidents talked tough on Iran and did almost nothing.
Red lines drawn in disappearing ink. The mullahs learned that U.S. threats expire faster than milk.
Trump broke the pattern. He didn't speak โ he struck.
He battered the IRGC's command and shattered the myth that Iran was untouchable. That myth was Iran's most powerful weapon. He took it.
For the first time in a generation, the regime is bargaining from fear instead of swagger.
That is not a small thing. That is the deepest wound Iran's empire has suffered in forty years.
Jun 14 โข 6 tweets โข 3 min read
1/5 An open letter to @TheLancet from an Iranian-Jewish cardiologist.
Today, one of the world's most prestigious medical journals published a campaign to suspend the Israeli Medical Association from the World Medical Association โ the body founded after WWII to ensure physicians would never again be weaponized by political ideology.
I'm a cardiologist. I'm an Iranian Jew who grew up under a regime where medicine was subjugated to the state.
What The Lancet just did is a disgrace to my profession.
Here's what they published โ and what they deliberately left out.
2/5 What The Lancet didn't mention:
The World Medical Association itself opposes this suspension. The WMA stated explicitly that suspending members because of their governments' actions would undermine its ability to promote medical ethics globally.
The Israeli Medical Association has advocated for humanitarian aid into Gaza, demanded protections for hospitals, and called these accusations "false or contested claims presented as facts." The IMA is a professional medical body โ not a branch of the Israeli government.
Hamas systematically used hospitals as military infrastructure โ tunnel entrances, command centers, weapons storage. Extensively documented. One of the gravest violations of medical neutrality that exists.
The Lancet's campaign says nothing about it.
Jun 13 โข 10 tweets โข 3 min read
1/7 I'm a cardiologist. I'm also an Iranian Jew who grew up under a regime that promised equality for the people.
I stand with @elonmusk.
And @BernieSanders, @AOC, and politicians like NYC Mayor Zohran Mamdani are wrong. Not just politically wrong. Historically, economically, and provably wrong.
Here's why โ with the receipts.
2/7 This week @SpaceX created over 4,000 new millionaires in a single day. Engineers. Technicians. Hourly workers. People who built rockets that land themselves โ rewarded because the company they helped build became enormously valuable.
Bernie Sanders responded by attacking the man who made it happen.
So let's compare.
Elon's companies injected $338 billion into the U.S. economy over 2021-2025. $110 billion in wages. $46 billion in taxes. $182 billion in supplier spending. Over 200,000 jobs. Launch costs down 90%. Internet to a billion people who had none.
Every dollar reinvested. No dividends. No extraction.
Jun 9 โข 6 tweets โข 5 min read
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 โ 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 โ later named Helicobacter pylori โ 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 โ 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.
Jun 8 โข 4 tweets โข 4 min read
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 โ that's settled science. But too many of my patients did everything right โ took their statins, hit their numbers, lived clean โ 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 โ 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 โ 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 โ 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 โ a drug that's been around for centuries for gout โ 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 โ an IL-6 inhibitor โ 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 โ integrating CT imaging, electronic health records, and genetic data with accuracy that jumps far beyond traditional risk calculators.
And polygenic risk scores โ a simple genetic test that flags inherited cardiovascular risk โ 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 โ 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 โ 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 โ 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 โ 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 โ 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 โ not just the smoke. AI to see it. Genetics to predict it. Drugs to quiet it. And the ancient basics โ movement, real food, sleep, purpose โ 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/โฆ
Jun 6 โข 5 tweets โข 4 min read
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 โ 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.
Jun 5 โข 6 tweets โข 4 min read
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 โ 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 โ GLP-1. Suppresses appetite. ~15% weight loss. Zepbound activates two โ GLP-1 and GIP. Better appetite suppression, better insulin sensitivity. ~22%. Retatrutide activates three โ 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 โ confirming a cellular fuel-source shift.
Appetite down. Energy expenditure up. Dual attack on the disease from both directions.
Even the lowest dose โ 4mg โ 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.
May 29 โข 6 tweets โข 4 min read
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 โ 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 โ once 100,000 strong โ 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 โ without looking over our shoulders.
Every opportunity I've had โ UCLA, my cardiology practice, my books, this platform โ 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.
May 28 โข 6 tweets โข 4 min read
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 โ 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 โ at a desk, in a car, on a couch โ 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 โ the brain's natural growth fertilizer โ 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 โ a few weeks of prolonged sitting can shift the trajectory.
May 26 โข 6 tweets โข 4 min read
1/5 .@elonmusk just told Forbes: "The future of medicine will be digital. If you know what to program into that synthetic RNA strand, you can basically cure anything."
The internet is divided. Half think it's visionary. Half think it's hype.
I'm a cardiologist. I already prescribe RNA-based medicine to my patients. In my office. Today.
Let me show you exactly where we are โ what's already real, what's coming, and what's still theoretical. No hype. No fear. Just the clinical truth.
2/5 What's already here โ right now, in my practice:
Inclisiran. Brand name Leqvio. An siRNA injection I administer to patients twice a year. It silences the PCSK9 gene in the liver โ the gene responsible for producing a protein that raises LDL cholesterol.
Two shots a year. LDL drops roughly 50%. No daily pills. No monthly injections. The drug enters your liver cells, finds the specific mRNA that codes for PCSK9, and destroys it. Your liver simply stops making the protein that was raising your cholesterol.
FDA-approved. Now cleared as first-line monotherapy as of last year. Sustained LDL reduction documented out to nearly 7 years. Over 60,000 patients across 30+ clinical trials.
That's not digital medicine as a metaphor. That's literally a synthetic RNA strand programmed to silence one gene. Musk's language is engineering shorthand for what I already do in clinic.
May 26 โข 5 tweets โข 3 min read
1/5 I'm a cardiologist. Here's why I recommend men take 5 mg of tadalafil โ Cialis โ every single day.
Not for ED. Not for performance.
I take it for the same reason every serious longevity physician I respect does: to protect my cardiovascular system, my brain perfusion, and my endothelial health at the most fundamental level.
This drug โ famous for all the wrong reasons โ has quietly become one of the most powerful tools in preventive cardiology. And the data is now too strong for me to keep quiet about it.
2/5 Here's what tadalafil actually does.
PDE5 is the enzyme that breaks down cGMP โ the molecule that tells your smooth muscle to relax and your blood vessels to dilate. By blocking PDE5, tadalafil produces system-wide vasodilation: better blood flow to the heart, brain, lungs, kidneys, muscles โ every organ downstream of your vascular tree.
Unlike Viagra, which lasts 4-6 hours, tadalafil's effects last up to 36 hours. A low daily dose keeps plasma levels stable around the clock.
Now here's why this matters for your heart.
Endothelial dysfunction โ the failure of that thin layer of cells lining 60,000 miles of your blood vessels โ is the earliest, most predictive marker of cardiovascular disease. It precedes plaque, heart attacks, and strokes by years. By the time most patients reach my office, the damage is done.
Tadalafil directly improves endothelial function. It reduces arterial stiffness. It shows anti-fibrotic effects on the heart muscle in preclinical models. It's already FDA-approved for pulmonary arterial hypertension.
Most patients come to me when something has already broken. I'm treating the pipes before they clog.
May 26 โข 5 tweets โข 3 min read
1/5 I'm a cardiologist. I have spent twenty years watching cholesterol destroy arteries, trigger heart attacks, and kill people I care about.
Today, Eli Lilly presented data that may begin to end that era.
VERVE-102. A single infusion. One dose. It uses base editing to permanently turn off the PCSK9 gene in your liver.
Presented today at the European Atherosclerosis Society Congress:
88% reduction in PCSK9.
62% reduction in LDL cholesterol.
Sustained up to 18 months.
No treatment-related serious adverse events.
One infusion. Not daily pills you forget to take. Not monthly injections. One dose โ and your cholesterol may stay low for the rest of your life.
2/5 Let me explain why this is so profound.
There are rare people born with naturally occurring loss-of-function variants in the PCSK9 gene. Their bodies produce very little PCSK9 protein. Their LDL cholesterol stays naturally low throughout their entire lives. They almost never develop coronary heart disease.
VERVE-102 is designed to give that same genetic protection to anyone who needs it. One infusion. Permanently edits the gene. Mimics what nature already does in the luckiest among us.
Lilly acquired the technology for roughly $1 billion and is preparing to launch Phase 2 trials by the end of this year.
Heart disease remains the number one killer on earth. Every moment of LDL exposure matters for your lifetime cardiovascular risk. A one-time treatment that durably eliminates excess LDL could prevent millions of heart attacks that haven't happened yet.
This is not incremental. This is a paradigm shift.
May 20 โข 6 tweets โข 4 min read
1/5 I'm a cardiologist. I need to tell you something that will change how you think about heart disease screening.
The standard approach โ EKGs, echocardiograms, stress tests, basic labs, a cholesterol panel โ misses approximately 75% of people who will go on to have a heart attack, stroke, or cardiac death.
These tests check how your heart functions. They do not check what's quietly building inside your arteries.
And the arteries are where plaque accumulates silently for decades before you feel the first chest pain. By then, the event is already happening.
Most heart attacks aren't caused by severely blocked arteries. They're caused by soft, inflamed, rupture-prone plaque that no stress test on earth will detect.
There is a better way. I use it in my practice. Here are the tests that actually find the disease before it finds you.
2/5 Coronary CT Angiogram with AI plaque composition analysis.
This is the single most important upgrade in cardiac prevention in the last decade.
It visualizes your coronary arteries in 3D, quantifies your total plaque burden, and โ critically โ uses AI to tell me exactly how much plaque is soft, lipid-rich, and rupture-prone versus stable and calcified.
Why this matters: non-obstructive plaque causes most cardiac events. Your arteries can look "clear enough" on a stress test while harboring the exact kind of soft plaque that ruptures without warning. This test finds it.
Medicare just started reimbursing AI-enhanced plaque analysis. If you're over 40 with any risk factors, ask for this by name: coronary CT angiogram with plaque composition analysis.
If soft plaque is found early, we can stabilize and often reverse it with aggressive statins, PCSK9 inhibitors, GLP-1s, and lifestyle intervention. I've seen it happen in my practice.
May 20 โข 5 tweets โข 2 min read
1/5 I need to talk to you about what GLP-1 drugs are doing to the brain.
For decades, medicine has treated metabolic health, cardiovascular health, and mental health as completely separate systems. Separate doctors. Separate drugs. Separate departments.
Biology may not work that way.
A landmark study just published in The Lancet Psychiatry is forcing us to reconsider everything.
2/5 Taipale et al. tracked 95,490 people across 13 years of Swedish national data โ people with pre-existing depression and anxiety, compared against themselves on and off semaglutide.
44% less worsening depression. 38% less worsening anxiety. 47% less worsening substance use disorder. 44% less self-harm.
Nearly half. Across every psychiatric measure they tracked.
"Ozempic personality" dominated headlines recently โ the fear that GLP-1 drugs flatten your ability to feel pleasure.
But if semaglutide stole pleasure at scale, depression would climb.
It fell by nearly half.
May 18 โข 8 tweets โข 3 min read
1/5 I'm a cardiologist. I hear this in my office constantly:
"But my annual labs were always normal."
They're telling the truth. Their labs were normal.
But the standard blood panel has a fatal flaw โ it was designed to find disease that's already there.
We wait for the house to catch fire. Then we try to put it out.
There are 8 tests that detect the frayed wiring years before the first spark. Most cost under $50. None are experimental. And they are completely missing from your annual physical.
2/5 Lipoprotein(a) โ Lp(a).
This is 100% genetic. You can run marathons. Eat perfectly. Still have sky-high levels. 1 in 5 Americans are elevated, which triples heart attack risk.
You only need to check it once in your life because your levels are set at birth. The 2026 ACC/AHA guidelines now recommend everyone be tested.
Most people never have been.
Apolipoprotein B โ ApoB.
For decades we've obsessed over LDL cholesterol. But LDL measures the cholesterol inside the particles. ApoB counts every single particle crashing into your artery walls.
A 2024 analysis found that 54% of patients had dangerous ApoB levels that standard LDL testing missed entirely. If you're only looking at LDL, you're driving with one eye closed.
May 18 โข 8 tweets โข 2 min read
I'm a cardiologist. I take 7 supplements every single day.
Walk into any pharmacy and you'll see a hundred bottles promising miracles. Most are marketing. Some are actively harmful.
But a small few actually work โ backed by real science, confirmed in my own practice, and taken by me personally every morning and every night.
Here's the honest list.
2/5 Creatine โ 5g in water every morning.
Most people think this is for gym bros. It's not. It helps every cell in your body produce energy more efficiently โ including your heart muscle.
Stronger muscles as you age. Faster recovery. Sharper thinking. A heart that doesn't tire as easily.
Apr 8 โข 9 tweets โข 4 min read
The world just witnessed the impossible. In exactly twenty-eight days, President Trump didnโt just winโhe executed the most surgical, brilliant, and devastating military masterclass the modern West has ever seen. The IRGC has gone from a regional threat to total structural collapse.
โNo endless war. No American blood spilled in the sand. No trillion-dollar quagmire.
โThis wasnโt just a victory; it was the birth of a new era. Here is how the Trump Doctrine redefined global power in one month:
โโก THE CYBER BLACKOUT: "THE MASTERSTROKE"
โWhen the Mullahs broke the ceasefire, Trump didnโt just drop bombsโhe dropped the lights. In a display of absolute cyber supremacy, U.S. forces hacked the regimeโs command-and-control infrastructure. Overnight, their military communications went silent and their power plants went dark. The IRGC was paralyzed before a single tank could move.
โ๐ก๏ธ ECONOMIC SHIELD & ENERGY VICTORY
โWhile critics predicted a global recession, Trump protected your wallet. He moved with lightning speed to secure the Strait of Hormuz, forcing it open and ending the threat to global shipping. The result? Market panic evaporated, 401ks remained stable, and oil prices crashedโdelivering instant, massive relief at the pump for every American family.
โ๐ฐ THE SELF-FUNDED OPERATION
โIn the ultimate "Art of the Deal" move, Trump seized Kharg Islandโthe crown jewel of Iranโs oil empire. Instead of asking American taxpayers to foot the bill, he used the enemyโs own oil resources to fund the operation. Zero cost to the American people. Maximum cost to the tyrants.
โ๐ฅ THE END OF THE TERROR MACHINE
โThe IRGC's ability to fund Hamas, Hezbollah, and the Houthis has been systematically dismantled. Their missile fleets are scrap metal. Their "Iron Fist" is shattered. By cutting off the head of the snake, Trump has drained the swamp of Middle Eastern terror once and for all.
โTHE MOST BEAUTIFUL PART?
With the terror machine broken and the Mullahs in hiding, the brave people of Iran are rising. They smell freedom. They see a future without fear. The nightmare for the regime is just beginning, and the dawn of a free Iran is finally within reach.
โThe Trump Doctrine is clear:
โMaximum Pressure
โMinimum Force
โZero Nation-Building
โThe IRGC lost their empire of terror. The world gained peace. Tyrants now know the rule of the game: Play stupid games, win devastating prizes.
โFreedom just roared back to life. ๐ฆ
Trump delivered. The world won.
โ#TrumpDoctrine #PeaceThroughStrength #MiddleEast #Freedom #MAGA #AmericaFirst #28Days
While the world watches the Mediterranean, the real move is happening in the silence of the Indian Ocean.
โThe Intel:
โ6 B-2 Spirits just landed at Diego Garcia. Thatโs half the entire U.S. stealth fleet.
โDozens of KC-135 tankers have surged to Qatar since Jan 5th.
โThis isnโt a "show of force." Itโs the exact logistics pattern that preceded Operation Midnight Hammer.
โThe Twist:
Israel is on maximum alert, but not for the reason you think. Three sources confirmed to Reuters: Israel isnโt preparing for an Iranian attack. They are preparing for a U.S. strike on Tehran.
โThe Trigger:
Marco Rubio called Netanyahu while 400 bodies were being stacked at Kahrizak. The threshold Trump setโthe "red line" of human rights and regional stabilityโhas been crossed ten times over.
โThe Sky is Empty:
Qatar, Emirates, Lufthansa... theyโve all pulled out. When commercial aviation clears the airspace, itโs because someone expects ordnance.
โTrump has the options. The bombers are fueled.
What happens next defines the decade.