Beyond LDL: Why Plaque, Not Cholesterol Numbers, Predicts Heart Disease

Preventive cardiologist Dr. John Osborne joins Modern Healthspan to explain why heart disease remains the leading cause of death despite decades of progress. He argues that the real driver of heart attacks and strokes is arterial plaque, a fatty build-up that grows silently from as early as the teens and twenties. Standard risk calculators such as Framingham and PREVENT accurately forecast events across large populations, he says, but cannot tell an individual whether they actually have the disease.

Cholesterol numbers, likewise, correlate poorly with whether plaque is present, since some people with high cholesterol have none while others with average numbers have extensive disease. Osborne distinguishes dangerous soft, lipid-rich plaque from the more stable calcified kind, and explains why a zero calcium score can still hide significant soft plaque.

He describes how cardiac CT combined with advanced imaging analysis can quantify total plaque burden, classify plaque type and, for the first time, track it over time. That total plaque burden, he notes, predicts future events far better than cholesterol or risk factors alone. He closes with a staging framework for how often to rescan and an optimistic vision of preventing, rather than only patching, advanced heart disease.

• 1

  Ask whether you have the disease, not just your risk 16:00

  Risk factors describe a crowd; imaging answers whether you personally have plaque. Consider discussing direct visualization with your clinician rather than relying on numbers alone.

• 2

  Consider a plaque check from around 40 50:00

  For average risk, guidelines increasingly point to looking for plaque from age 40; earlier if you have a strong family history, diabetes, high blood pressure, smoking or autoimmune conditions.

• 3

  Treat a calcium score as a starting point 42:30

  A positive calcium score signals plaque is present; a zero score does not fully rule it out. Understand its limits and discuss next steps with your provider.

• 4

  Look beyond LDL to apoB and Lp(a) 33:30

  apoB gives a sharper handle on harmful cholesterol than LDL alone. Lp(a) is largely genetic, and many experts suggest checking it once in a lifetime.

• 5

  Avoid tobacco in every form 28:00

  Nicotine turns the smooth vessel lining from Teflon into Velcro. There is no amount the cardiologist considers safe, including patches used for focus.

• 6

  Take blood pressure seriously 30:00

  High blood pressure is common and silent, and harms not just the heart but the kidneys, brain and cognition. Regular monitoring is a simple starting point.

• 7

  Plaque can be stabilised and tracked over time 56:00

  With lifestyle and appropriate medical therapy, soft plaque can be pushed toward the stable, hardened form, and follow-up scans can show whether it is improving.