Episode Details

Your doctor orders a lipid panel every year — but 3 cheap blood tests predict heart disease, diabetes, and even dementia far better than cholesterol, and most doctors never order them.

In this episode, Robert Lufkin MD walks through fasting insulin + HOMA-IR, homocysteine, and high-sensitivity CRP — three tests that together cost about $60, take one blood draw, and catch the metabolic dysfunction a standard lipid panel systematically misses.

CHAPTERS:

• 00:00 — The 3 Blood Tests Your Doctor Isn't Ordering
• 00:40 — Part 1: Fasting Insulin and HOMA-IR
• 01:15 — How Insulin Resistance Hides for 10–15 Years
• 01:45 — HOMA-IR vs Glucose: What 516,000 People Revealed
• 02:05 — 59% Higher Cardiovascular Risk in the 2023 ATVB Study
• 02:45 — Optimal Fasting Insulin: Why 5–8 Beats the Lab's "25"
• 03:05 — Part 2: Homocysteine and the MTHFR Connection
• 03:35 — How Homocysteine Damages Your Arteries (6 Mechanisms)
• 03:50 — 60% Higher Stroke Risk and 48% Alzheimer's Risk
• 04:35 — The Oxford VITACOG Trial: 53% Less Brain Atrophy
• 05:05 — Part 3: High-Sensitivity CRP and Inflammatory Plaque
• 05:40 — The JUPITER Trial: 44% Drop in Cardiac Events
• 06:15 — UK Biobank: Why hs-CRP Beats LDL Cholesterol
• 06:50 — AHA Risk Categories for hs-CRP Since 2003
• 07:15 — Part 4: The Metabolic Picture (Why Cholesterol Is the Wrong Target)
• 07:50 — 3 Tests, $60, One Blood Draw — The Full Framework

KEY TAKEAWAYS:

• Fasting insulin + HOMA-IR catches insulin resistance a decade before glucose goes abnormal — optimal is below 5–8, not the lab's reference range of 25
• Every 5 µmol/L rise in homocysteine raises coronary artery disease risk 20–30% and stroke risk 60%, independent of cholesterol
• hs-CRP predicted cardiovascular events better than LDL in a 322,000-person UK Biobank analysis — yet fewer than 10% of cardiac panels order it
• Cardiovascular disease, type 2 diabetes, and dementia share the same upstream driver: metabolic dysfunction, not cholesterol
• All three tests together cost roughly $60 and come from a single blood draw

LINKS:
📖 Dr. Lufkin's book "Lies I Taught in Medical School": robertlufkinmd.com/lies
📰 Substack: robertlufkinmd.substack.com
🌐 Website: robertlufkinmd.com
▶️ Watch on YouTube: youtu.be/FBLB1CQGBPM

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Continue this conversation on Substack: https://robertlufkinmd.substack.com
Lies I Taught In Medical School — Free sample chapter: https://www.robertlufkinmd.com/lies/

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