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The Two Cholesterol Numbers Your Doctor Isn't Checking · Heart Health, Reimagined with Dr. Mona Shah, MD

• 0:00
  SPEAKER_00: LDL is not the number that drives heart attacks.
• 0:03
  SPEAKER_00: APOB is.
• 0:05
  SPEAKER_00: And because conventional medicine still defaults to a basic lipid panel, while influencers tell you cholesterol doesn't matter at all, most people are flying completely blind about the one marker that would actually tell them the real risk.
• 0:19
  SPEAKER_00: Your doctor checks your LDL and tells you your cholesterol is fine.
• 0:23
  SPEAKER_00: Influencers tell you your cholesterol doesn't cause heart disease anyway.
• 0:26
  SPEAKER_00: Both of them are wrong.
• 0:28
  SPEAKER_00: And the number that actually matters is one most people have never checked.
• 0:32
  SPEAKER_00: Well-meaning patients and doctors have been making decisions about your heart based on a number established 50 years ago.
• 0:40
  SPEAKER_00: I'm a triple board certified cardiologist, cardiology, holistic medicine, and coronary CTA.
• 0:46
  SPEAKER_00: I spent 20 years inside conventional cardiology, ordering the same tests every other cardiologist orders.
• 0:53
  SPEAKER_00: And after thousands of patients, I stopped fully trusting the standard lipid panel.
• 0:57
  SPEAKER_00: The LDL measurement itself is answering the wrong question.
• 1:02
  SPEAKER_00: Once you understand which question that is, you will not look at a standard lipid panel the same way again.
• 1:09
  SPEAKER_00: I'm going to show you why LDL misleads, what the number that actually predicts your risk measures, and why the influencers telling you cholesterol doesn't matter are getting people hurt.
• 1:19
  SPEAKER_00: The standard position has been straightforward for 50 years.
• 1:23
  SPEAKER_00: Check your LDL.
• 1:24
  SPEAKER_00: If it's high, your cholesterol is a problem.
• 1:27
  SPEAKER_00: If it's in range, you're probably fine.
• 1:30
  SPEAKER_00: Lower is better.
• 1:31
  SPEAKER_00: That is a framework conventional medicine has been running on.
• 1:35
  SPEAKER_00: LDL became the default because it was measurable.
• 1:38
  SPEAKER_00: It correlated with heart disease in large studies, and it gave doctors something concrete to act on.
• 1:44
  SPEAKER_00: When the early statin trial showed that lowering LDL reduced heart attacks, it seemed to confirm the whole model.
• 1:53
  SPEAKER_00: LDL goes up, risk goes up.
• 1:55
  SPEAKER_00: LDL comes down, risk comes down.
• 1:58
  SPEAKER_00: That logic held well enough to become dogma.
• 2:01
  SPEAKER_00: And once something becomes dogma and medicine, it takes a long time to replace even when better tools exist.
• 2:09
  SPEAKER_00: Here is what that model was never designed to find.
• 2:12
  SPEAKER_00: Cholesterol does not damage your heart directly.
• 2:15
  SPEAKER_00: What happens is that certain particles in your bloodstream push through the endothelium, the lining of your heart arteries, and then into your artery walls and get stuck there.
• 2:27
  SPEAKER_00: Over time, that buildup becomes plaque.
• 2:30
  SPEAKER_00: When that plaque ruptures, it triggers a clot.
• 2:33
  SPEAKER_00: That clot blocks the artery.
• 2:36
  SPEAKER_00: That is a heart attack.
• 2:38
  SPEAKER_00: So the real question was never how much cholesterol is in your blood.
• 2:42
  SPEAKER_00: It was always how many of those particles are hitting your artery wall.
• 2:47
  SPEAKER_00: LDL was never measuring the right thing.
• 2:50
  SPEAKER_00: It was never designed to.
• 2:51
  SPEAKER_00: And here's something most people don't know.
• 2:54
  SPEAKER_00: The LDL number on your standard lipid panel is usually not even directly measured.
• 2:59
  SPEAKER_00: It is a calculated from a formula developed in 1972.
• 3:04
  SPEAKER_00: In people with high triglycerides or insulin resistance, that calculation can be significantly wrong in the direction that makes you feel safer than you are.
• 3:14
  SPEAKER_00: So now an entire corner of the internet has overreacted to the advancements in understanding cholesterol, and they are telling you to completely stop worrying about cholesterol.
• 3:24
  SPEAKER_00: And that argument is not just wrong, it is dangerous.
• 3:27
  SPEAKER_00: The influencer argument goes like this.
• 3:40
  SPEAKER_00: The whole cholesterol narrative is pharmaceutical industry propaganda.
• 3:45
  SPEAKER_00: Relax, eat the steak, have the bacon, have the butter.
• 3:49
  SPEAKER_00: This argument got popular because it contains a kernel of truth.
• 3:53
  SPEAKER_00: Some people do eat high saturated fat diets and don't develop plaque.
• 3:59
  SPEAKER_00: And for people who have felt judged or confused by conflicting dietary advice for years, someone confidently telling them none of it matters is genuinely appealing.
• 4:10
  SPEAKER_00: The argument spread because it felt like liberation.
• 4:14
  SPEAKER_00: Here's what that argument leaves out though.
• 4:17
  SPEAKER_00: The people who are eating high saturated fat and who did not develop plaque are people whose particle count does not rise in response to that diet.
• 4:27
  SPEAKER_00: For a significant number of people, though, it does.
• 4:31
  SPEAKER_00: There are people whose particle count climbs a lot on a carnivore or keto diet, and they are building plaque while an influencer who has never examined them, never checked their labs, never looked inside their arteries, tells them they're fine.
• 4:46
  SPEAKER_00: You do not know which type of person you are until you measure it.
• 4:50
  SPEAKER_00: Neither does an influencer.
• 4:51
  SPEAKER_00: So if LDL is a wrong number and the influencers are using the wrong argument, what does actually measuring your real risk look like?
• 5:00
  SPEAKER_00: It starts with two specific numbers that between them tell you a lot more about your cardiovascular risk than just a standard lipid panel.
• 5:09
  SPEAKER_00: That answer is coming.
• 5:10
  SPEAKER_00: But first, if this is landing differently than what you have been told at your last physical, please subscribe.
• 5:17
  SPEAKER_00: Every week I put out content on the specific gaps between what the standard cardiac workup checks and what your heart actually needs someone to find.
• 5:26
  SPEAKER_00: You can have normal cholesterol and still be at high cardiovascular risk.
• 5:30
  SPEAKER_00: That's because standard lipid panels often miss some of the biggest drivers of plaque buildup, including one Apo B and two lipoprotein A.
• 5:39
  SPEAKER_00: But heart risk is never just one or two numbers.
• 5:42
  SPEAKER_00: It's a combination of cholesterol particles, inflammation, metabolic health, genetics, lifestyle, and what's actually happening inside your arteries.
• 5:52
  SPEAKER_00: Remember what we established.
• 5:53
  SPEAKER_00: Plaque builds when particles push through your artery wall and get stuck there.
• 5:59
  SPEAKER_00: The question that actually matters is how many of those particles are hitting your artery wall right now.
• 6:05
  SPEAKER_00: That is what APOB measures.
• 6:08
  SPEAKER_00: There's exactly one APOB molecule on every single particle capable of entering your artery wall and starting the plaque building process.
• 6:17
  SPEAKER_00: When you measure APOB, you're counting the actual threat directly, not estimating it from a 50-year-old formula.
• 6:26
  SPEAKER_00: Two people can have identical LDLs with completely different APOB levels.
• 6:30
  SPEAKER_00: One is at a low risk, the other one is at a high risk and building plaque right now.
• 6:36
  SPEAKER_00: APOB tells you which one you are.
• 6:38
  SPEAKER_00: LDL cannot.
• 6:39
  SPEAKER_00: And unlike LDL, APOB does not get distorted by your triglyceride level or your metabolic pattern.
• 6:45
  SPEAKER_00: It is a direct count.
• 6:47
  SPEAKER_00: It is the same number regardless of what you ate before the blood draw.
• 6:51
  SPEAKER_00: The second number is different.
• 6:53
  SPEAKER_00: Lipoprotein A is genetic.
• 6:55
  SPEAKER_00: It does not change with diet.
• 6:57
  SPEAKER_00: It does not respond to exercise well.
• 7:00
  SPEAKER_00: Most medications barely even touch it.
• 7:03
  SPEAKER_00: If it is elevated, you have a higher baseline risk of plaque formation that operates independently of everything else you are doing right.
• 7:11
  SPEAKER_00: It is not a lifestyle problem, it is a genetic one.
• 7:14
  SPEAKER_00: And because it does not change, you only need to check it once in your life.
• 7:19
  SPEAKER_00: But you do need to check it.
• 7:21
  SPEAKER_00: Because if it is elevated and nobody has told you you are managing a risk you don't even know you have.
• 7:27
  SPEAKER_00: I know this personally because I'm vegetarian, I have an ideal body weight, I exercise, by every external measure, my cardiovascular risk should be low.
• 7:37
  SPEAKER_00: I have elevated lipoprotein A.
• 7:40
  SPEAKER_00: I did a scan on my own and I found soft plaque.
• 7:43
  SPEAKER_00: Not because I was doing anything wrong.
• 7:46
  SPEAKER_00: Because of my genetics and because menopause accelerated it.
• 7:50
  SPEAKER_00: And testing for the right things helped me find it before it was too late.
• 7:54
  SPEAKER_00: So one number tells you how many particles are hitting your artery wall right now.
• 7:59
  SPEAKER_00: The other tells you whether your genetics are working against you regardless of your lifestyle.
• 8:04
  SPEAKER_00: Neither one is on a standard lipid panel.
• 8:07
  SPEAKER_00: Both of them are available at most labs.
• 8:10
  SPEAKER_00: And most doctors are still not ordering them.
• 8:12
  SPEAKER_00: I want you to stop treating a normal LDL as a complete picture of your cholesterol risk.
• 8:17
  SPEAKER_00: It is one estimated number from a decades-old formula answering one narrow question about one aspect of your lipid profile.
• 8:27
  SPEAKER_00: These other blood tests are not exotic, they're not experimental.
• 8:30
  SPEAKER_00: The research supporting both of them is extensive.
• 8:34
  SPEAKER_00: The only reason you have not had them is that nobody ordered them.
• 8:38
  SPEAKER_00: Here's exactly what to say at your next appointment so that does not happen again.
• 8:43
  SPEAKER_00: When you know your APOB and your lipoprotein A, you stop making decisions about your cardiovascular risk based on a partial picture.
• 8:52
  SPEAKER_00: You know your actual particle burden.
• 8:54
  SPEAKER_00: You know whether your genetic baseline is working against you regardless of your lifestyle.
• 8:59
  SPEAKER_00: And if something is elevated, you have a specific, measurable target to work toward.
• 9:04
  SPEAKER_00: That is precision medicine.
• 9:06
  SPEAKER_00: Before your next doctor's appointment, do this.
• 9:09
  SPEAKER_00: Write down whether you have ever had an APOB or a liproprotein A ordered.
• 9:14
  SPEAKER_00: If you're not sure, call your doctor's office and ask them to check your last three years of labs.
• 9:19
  SPEAKER_00: Write down two specific requests to bring into your next appointment.
• 9:23
  SPEAKER_00: I would like an APOB added to my leg lipid panel, and I have never had my lipoprotein A checked, and I would like to get it done.
• 9:33
  SPEAKER_00: If your doctor says those tests are not necessary, ask them directly.
• 9:38
  SPEAKER_00: So if my APOB is elevated despite a normal LDL, would that change your assessment of my risk?
• 9:45
  SPEAKER_00: A doctor who understands cardiovascular risk will say yes.
• 9:49
  SPEAKER_00: That answer also tells you something important about the conversation you are in.
• 9:54
  SPEAKER_00: If you have been following a high saturated fat diet based on advice that cholesterol doesn't matter, get your APOB checked before you continue it.
• 10:02
  SPEAKER_00: LDL became the default because it was the best tool available when the field was built.
• 10:07
  SPEAKER_00: A better tool now exists and has existed for years.
• 10:11
  SPEAKER_00: APOB is not experimental.
• 10:12
  SPEAKER_00: It is not controversial in the research literature.
• 10:15
  SPEAKER_00: It is not just not yet the default in the standard 10-minute appointment.
• 10:20
  SPEAKER_00: That is the gap between what cardiology knows and what patients get.
• 10:24
  SPEAKER_00: You now know what to ask for.
• 10:27
  SPEAKER_00: Go ask for it.
• 10:28
  SPEAKER_00: If you want to understand what the other numbers on a complete cardiac workup actually mean and which ones move the needle most, the previous video on this channel walks through exactly what I check on every new patient that most doctors never order and is appearing on your screen now.