Heart Disease Prevention: What Actually Works

Cardiovascular disease killed 919,032 Americans in 2023, one death every 34 seconds, according to the CDC. Heart disease is the leading cause of death for men, women, and people of most racial and ethnic groups.

And here is what keeps me up at night: a huge share of those deaths did not have to happen.

Not because we needed faster ambulances. Not because the stents were not good enough. Because we could have caught it ten, fifteen, twenty years earlier, if anyone had been looking in the right places.

I will give you a real example. A 52-year-old executive joined Rebel Health Alliance. Fit. Exercised four days a week. His annual physicals had come back "normal" for two decades straight. His primary care doctor told him he was doing great.

We ran our full panel. His ApoB was 145 mg/dL, nearly double what I would want to see. Lp(a)? Never tested. It was sky-high, 180 nmol/L. And when we ordered a coronary calcium scan, there it was: a score of 287. Calcified plaque, building for years, invisible to every standard checkup he had ever had.

He was not a guy who slipped through the cracks. He was a guy the system was never designed to catch.

That is what I want to talk about here: the framework we actually use for cardiovascular prevention. Which markers predict events. Which interventions hold up under scrutiny. And what your annual physical almost certainly skips.

Cholesterol Matters. But Not the Way You Have Been Told.

I am not one of those doctors who dismisses cholesterol. It matters. But here is the problem: total cholesterol and LDL-C, the numbers sitting on your standard lipid panel, are mediocre predictors of who is actually going to have a heart attack.

A study of 136,905 hospitalizations for coronary artery disease, published by Sachdeva and colleagues in the American Heart Journal in 2009, found that almost half of those patients had admission LDL below 100 mg/dL. Half. These were people hospitalized with heart disease whose cholesterol numbers their doctors would have called "fine."

Most annual physicals still run a basic lipid panel, check the LDL box, and call it a day.

That is not prevention. That is a false negative wearing a lab coat.

The Biomarkers That Actually Tell You Something

If you are serious about knowing your real cardiovascular risk, not the sanitized version, you have to go deeper. These are the markers I run on every patient who comes to us wanting answers, not reassurance.

ApoB (Apolipoprotein B)

I will say this plainly: ApoB is the best blood marker we have for predicting cardiovascular risk. Better than LDL-C. Better than total cholesterol. Here is why.

Every atherogenic lipoprotein in your blood, LDL, VLDL, IDL, and Lp(a), carries exactly one ApoB molecule. So when you measure ApoB, you get a direct particle count. You are counting the number of lipoproteins capable of burrowing into your arterial wall and starting the process that ends in a heart attack.

Two people can have identical LDL-C numbers and wildly different ApoB. The person with more particles carries substantially higher risk. It does not matter what the LDL says.

Sniderman and colleagues laid this out in a 2019 review in JAMA Cardiology: there is now substantial evidence that ApoB measures atherogenic risk more accurately than LDL-C or non-HDL cholesterol, because cholesterol can only enter the arterial wall inside ApoB particles. The European Atherosclerosis Society consensus statement by Borén and colleagues in the European Heart Journal (2020) reaches the same place. This is not fringe medicine. It is where the evidence points.

Where you want to be:

• Below 80 mg/dL at average risk
• Below 60 mg/dL if you have elevated risk or family history

Most standard panels do not include ApoB. It is on our initial panel for every member because skipping it means flying blind.

Lp(a), Lipoprotein(a)

This one genuinely frustrates me.

Roughly one in five people carries elevated Lp(a), a genetically determined, independent risk factor for heart disease, and the overwhelming majority have no idea. The 2022 European Atherosclerosis Society consensus statement by Kronenberg and colleagues in the European Heart Journal recommends every adult get it measured at least once. Most never have.

Lp(a) is an LDL particle with an extra protein, apolipoprotein(a), bolted on, which makes it both more atherogenic and more pro-thrombotic than regular LDL. Diet will not budge it. Exercise will not budge it. Most medications will not budge it. It is essentially hardwired into your DNA. The American Heart Association scientific statement by Reyes-Soffer and colleagues in Arteriosclerosis, Thrombosis, and Vascular Biology (2022) puts the genetic share of the variation between people at roughly 70 to 90 percent, and notes that Lp(a) remains a risk factor even after LDL and ApoB are brought down.

Target: Below 30 mg/dL (or below 75 nmol/L).

If yours is high, everything else has to get more aggressive: earlier imaging, tighter ApoB targets, closer follow-up.

You only need to test it once in your life, because it does not change. But that one test can rewrite your risk profile. If you have never had it checked, you have a blind spot. Go get it done.

hs-CRP (High-Sensitivity C-Reactive Protein)

Inflammation is not a buzzword. It is the mechanism: how plaque forms, how it grows, and ultimately how it ruptures. hs-CRP measures systemic inflammation and it independently predicts cardiovascular events even when your cholesterol looks perfect on paper.

The ranges:

• Below 1.0 mg/L = low risk
• 1.0 to 3.0 mg/L = moderate risk
• Above 3.0 mg/L = high risk, and I want to know why

The landmark study here is JUPITER, published by Ridker and colleagues in the New England Journal of Medicine in 2008. They took 17,802 apparently healthy people with LDL under 130 mg/dL but hs-CRP of 2.0 mg/L or higher, randomized them to rosuvastatin or placebo, and the results were strong enough that the trial was stopped early: a hazard ratio of 0.56 for the primary endpoint, a 44 percent relative reduction. Inflammation is not a bystander in heart disease. It is a driver. Measuring it matters.

Coronary Artery Calcium (CAC) Score

Blood tests tell you about risk factors. A CAC score tells you whether the disease has actually started.

It is a low-radiation CT scan that directly images calcified plaque in your coronary arteries. As close as you will get to looking at atherosclerosis in real time without a catheter.

• Score of 0: Genuinely reassuring. Very low near-term risk. If you have been losing sleep over your heart, a zero is the best news you can get.
• 1 to 99: Early disease. Plaque is there. Time to get serious.
• 100+: Significant burden. We intervene now, not next quarter.
• 400+: Extensive disease. You need a cardiologist, not just a prevention protocol.

I had a patient, 46, marathon runner, ate clean, looked like the picture of health. CAC score came back at 212. No blood test would have caught that. His LDL was 98. His primary care doctor had told him "keep doing what you are doing" six months earlier.

For men over 40, women over 50, or anyone with risk factors like family history, elevated Lp(a), or metabolic syndrome, a CAC score fills a gap that no blood draw can. The 2019 ACC/AHA primary prevention guideline by Arnett and colleagues in Circulation endorses it for exactly this reason: when the decision about treatment is uncertain, a CAC score helps settle it. It is a cash-pay add-on, and one of the better values in preventive medicine.

A Few More Worth Tracking

Not every patient needs all of these. But depending on your history, they fill in important pieces:

• Homocysteine: Elevated levels are associated with endothelial damage. Often improvable with methylated B vitamins, cheap and simple.
• Fasting insulin and HOMA-IR: Insulin resistance is the engine behind a huge amount of the inflammation and dyslipidemia I see day after day. We wrote about it in our guide on insulin resistance.
• Oxidized LDL: This measures the fraction of LDL that has actually been oxidized, the form that penetrates arterial walls. Your standard LDL number does not distinguish between the two.
• Fibrinogen: A clotting factor. When it is elevated, you have increased thrombotic risk. Plaque rupture is only half the heart attack equation. The clot that forms on top is the other half.

The Prevention Protocol That Actually Moves Numbers

Step 1: Get the Right Tests

This is where I see people fail before they have even started. If your last "heart checkup" was a basic lipid panel, you are working with a fraction of the data you need. You would not diagnose a car problem by checking the gas gauge and calling it a day.

What a real cardiovascular panel looks like:

• ApoB
• Lp(a), once in your lifetime
• hs-CRP
• Fasting insulin
• Advanced lipid panel (particle number and size)
• Homocysteine
• HbA1c
• Uric acid

And imaging when it is warranted:

• CAC score for men 40+, women 50+, or sooner if you have risk factors

Every one of those blood markers is on the initial panel of about 30 tests that every Rebel Health Alliance member starts with, run at wholesale rates, and it is the front door to access to over 3,000 diagnostic tests through the platform. We retest on a schedule your physician sets, because a single snapshot tells you where you are today, but serial measurements tell you where you are heading. That is the part that actually saves lives.

Step 2: Fix the Metabolic Foundation

Here is something I find myself saying in almost every patient meeting: insulin resistance is upstream of most cardiovascular risk factors. Elevated triglycerides, low HDL, too many small dense LDL particles, chronic inflammation, endothelial dysfunction. These are not separate problems. They are downstream consequences of a metabolism that is broken. And you cannot supplement your way out of a metabolic problem. Believe me, people try.

Before we even talk about medications, we go after the foundation. It is Tier 1 of our longevity protocol for a reason.

• Cut the refined carbs and ultra-processed food. These drive insulin resistance and oxidative stress. Most people just have not seen the data presented honestly.
• Lift heavy things. Resistance training three to four times a week. It builds muscle, improves insulin sensitivity, and does things for your cardiovascular system that steady-state cardio alone cannot match. Walking is fine. It is not enough.
• Forget scale weight. Care about body composition. Visceral fat, the fat wrapped around your organs, is the metabolically dangerous kind. I have seen plenty of people at "normal" BMI who are metabolically wrecked, and plenty of muscular people who look "overweight" on a chart with pristine metabolic markers.
• Fix your sleep. I mean it. In the Nurses' Health Study, published by Ayas and colleagues in the Archives of Internal Medicine in 2003, women sleeping five hours or less had a 45 percent higher risk of coronary heart disease over ten years than women sleeping eight, after adjusting for the usual confounders. If you are sleeping five hours a night and wondering why your inflammation markers will not come down, there is your answer.

Step 3: Targeted Supplementation (Where the Evidence Actually Exists)

I am selective here. The supplement industry will sell you forty-seven different capsules for "heart health." Most of them are backed by nothing. These four have real biochemistry behind them, and they are additions to a solid foundation, not replacements for one.

• Omega-3 fatty acids (EPA/DHA): I recommend 2 to 4 grams of combined EPA/DHA daily for general cardiovascular and anti-inflammatory support. Now, separately: the REDUCE-IT trial, published by Bhatt and colleagues in the New England Journal of Medicine in 2019, showed a 25 percent relative reduction in major cardiovascular events (hazard ratio 0.75) using 4 grams a day of prescription icosapent ethyl, a purified EPA, in 8,179 high-risk patients already on statins. That is a pharmaceutical intervention, not a fish oil capsule from the warehouse club. Important distinction. If you have elevated triglycerides and established cardiovascular risk, talk to your physician about icosapent ethyl specifically. Do not assume your supplement is doing the same thing.
• Magnesium glycinate: 200 to 400 mg daily. Important for vascular function and blood pressure regulation, and low intake is common.
• Vitamin K2 (MK-7): 100 to 200 mcg daily. Directs calcium toward bone rather than arteries. Particularly relevant if you are supplementing vitamin D, which increases calcium absorption.
• CoQ10: 100 to 200 mg daily. Especially relevant if you are on a statin, since statins inhibit the same pathway that produces CoQ10. I have had patients whose statin-related muscle aches disappeared after adding it. Anecdotal? Sure. But it is consistent with the biochemistry.

Step 4: Medications When the Numbers Say So

I am not anti-medication. I am anti-guessing. If we have comprehensive data showing your ApoB is stubbornly elevated after you have genuinely optimized your lifestyle, and I mean genuinely, not "I had a salad twice this week," then pharmacological intervention is the right call. But it should be driven by data, not reflex.

Statins remain the most evidence-backed tool for lowering ApoB and reducing cardiovascular events. The Cholesterol Treatment Trialists' Collaboration meta-analysis in The Lancet (2010) pooled 26 randomized trials with about 170,000 participants and found a 22 percent reduction in major vascular events for every 1 mmol/L drop in LDL cholesterol. That is not one cherry-picked study. That is the weight of the evidence.

PCSK9 inhibitors are powerful ApoB-lowering agents for patients who cannot tolerate statins or who need deeper reductions than statins alone can deliver.

Low-dose aspirin for primary prevention has largely fallen out of favor. The ASPREE trial, published by McNeil and colleagues in the New England Journal of Medicine in 2018, randomized 19,114 healthy older adults and found no significant reduction in cardiovascular disease, with a 38 percent higher rate of major bleeding. For most people without established heart disease, the math no longer works. There are narrow exceptions, but that is a conversation with your doctor, not something to self-prescribe.

Blood pressure management if you are consistently above 130/80 despite lifestyle changes. Uncontrolled hypertension accelerates plaque buildup silently, year after year. It is one of the most treatable risk factors we have, and one of the most commonly undertreated.

The theme here: decisions based on comprehensive data. Not one cholesterol number from a fifteen-minute appointment.

Step 5: Monitor. Adjust. Do Not Assume.

Prevention is not a to-do list you check off. It is a loop. Test, intervene, measure again, adjust.

Ongoing monitoring lets you:

• Confirm your changes are working (feeling virtuous and being measurably healthier are not the same thing)
• Catch emerging problems early: an inflammation spike, rising fasting insulin, a metabolic shift that would not show up for another year on an annual schedule
• Titrate protocols based on real numbers instead of guesswork
• Watch trajectories, not just snapshots

This is what we do at Rebel Health Alliance. Every member gets on-demand physician access, message your doctor anytime with replies usually same day, alongside comprehensive labs. Rebel Peak members add a registered dietitian and a strength coach working from the same bloodwork. We do not guess. We measure, we intervene, we re-measure. That is what prevention looks like when someone takes it seriously.

Your Annual Physical Is Not Built for This

I want to say something that might sound like I am criticizing your doctor. I am not.

Most primary care physicians are smart, well-trained, and they genuinely care about their patients. The problem is not the doctor. The problem is the system they work inside.

A standard 15-minute annual visit does not give your physician time to:

• Order and interpret advanced cardiovascular biomarkers
• Walk you through meaningful dietary and lifestyle changes (not just "eat less salt")
• Build a prevention protocol tailored to your risk profile, not a population average
• Follow up between visits to see if any of it is working

That is not a personal failure. That is a reimbursement model that pays for short visits and diagnosis codes, not for the slow, meticulous, data-driven work of keeping people healthy before they get sick.

Real heart disease prevention needs four things:

1. Testing that goes well beyond a basic lipid panel
2. A physician with enough time to interpret results in context, not just flag "abnormal" and move on
3. A protocol built around your specific risk factors, not a photocopied handout
4. Ongoing monitoring so you know the protocol is working

That is what we built Rebel Health Alliance to do.

Do Not Wait for the Warning That Never Comes

Heart disease does not send a letter first. For far too many people, the first "symptom" is a heart attack. Some of them do not make it to the hospital. That is the most basic function of medicine, preventing disease before it arrives, failing at scale.

If you are over 35 and you have never had advanced cardiovascular testing, there is a hole in your health picture. And if your last checkup was a basic lipid panel and a "looks good, see you next year," you deserve better information than that.

Book a call with Rebel Health Alliance. We will go through your history, look at your actual risk factors, and build a testing plan that gives you real answers, not a false sense of security.

The best time to prevent heart disease was ten years ago. The second best time is before you realize you needed to.

Frequently asked questions

What is the difference between LDL-C and ApoB?
LDL-C measures the amount of cholesterol carried by LDL particles. ApoB counts the particles themselves. Two people with identical LDL-C can have very different numbers of particles, and it is the particle count that better predicts risk. Think of it this way: LDL-C tells you how much cargo is on the trucks. ApoB tells you how many trucks are on the road. More trucks, more collisions with your arterial wall.

Should I get a coronary calcium scan?
If you are a man over 40 or a woman over 50, or younger with meaningful risk factors like family history, elevated Lp(a), or metabolic syndrome, yes, I would strongly recommend it. A CAC score of zero is genuinely reassuring and can save you years of unnecessary anxiety. A score above zero means it is time to get proactive. It is a cash-pay scan at most imaging centers and takes about ten minutes.

How often should I get my cardiovascular markers tested?
It depends on what the first panel shows and what we are changing. If you are just getting started with advanced testing, an initial comprehensive panel followed by a retest at three to six months gives you enough data to see whether your interventions are working. After that, your physician sets the cadence around your numbers. What matters is tracking trends rather than relying on isolated snapshots.

Can lifestyle changes actually lower heart disease risk?
In many cases, yes. I have watched patients drop their ApoB by 30 to 40 mg/dL through dietary changes and exercise alone. Insulin resistance markers can normalize within months. Even CAC scores, while they do not go down (calcium does not go away), can stabilize, meaning the disease stops progressing. The catch is you have to measure it. "I feel healthier" is nice, but it is not data. Individual results vary.

Do I really need a longevity medicine practice, or can my regular doctor handle this?
Your regular doctor could order these tests. Nothing we run is proprietary or secret. The question is whether they have the time and the framework to do it systematically. In a 15-minute visit with a full patient load, most primary care physicians are focused on acute issues and standard screenings. If you can find one willing to order comprehensive panels, interpret them in context, and follow up between visits, that is fantastic. Most people cannot find that within the traditional system, which is why practices like ours exist.

Dr. Alec Weir is the Chief Medical Officer at Rebel Health Alliance, where members get access to over 3,000 diagnostic tests, on-demand physician access, and a sequential 10-tier longevity protocol supported by a full team of physician, dietitian, and strength coach. Book a call to build a testing plan for your risk.