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Cholesterol & Triglycerides

11 / 13 · When High Cholesterol Matters

One Blood Test Is a Snapshot. Not the Whole Movie.

Person A

Total cholesterol: 255 mg/dL

  • Low triglycerides
  • Stable blood sugar
  • Physically active
  • Normal blood pressure
  • Low inflammatory burden
  • No strong premature-heart-disease family history

Person B

Total cholesterol: 255 mg/dL

  • Triglycerides: 350 mg/dL
  • Unstable blood sugar
  • Insulin resistance
  • Obesity
  • High blood pressure
  • Smokes
  • High inflammatory burden

SAME TOTAL CHOLESTEROL.

COMPLETELY DIFFERENT PERSON.

Total cholesterol alone does not provide a complete cardiovascular assessment. Person A is not automatically risk-free, and Person B’s risk cannot be reduced to one laboratory value.

  • LDL and ApoB where available
  • Triglycerides, blood sugar and blood pressure
  • Family history and smoking
  • Age and metabolic health
  • Fasting and significant weight changes
  • Results over time

Genetic hypercholesterolemia: inherited cholesterol disorders and extremely high persistent LDL levels require separate consideration. Strong family history and premature cardiovascular disease can signal inherited risk even when someone feels well and has a healthy lifestyle.

Dr. Mark's Clinical Perspective

“For approximately 30 years, I have not considered total cholesterol around 250—and sometimes approximately 260 mg/dL—to automatically represent disease in otherwise appropriate individuals.”

“I do not treat the number in isolation. I look at the person.”

This is the author’s clinical perspective, not a universal safety cutoff. An otherwise favorable health profile does not negate persistent LDL/ApoB-related or inherited cardiovascular risk.

Research & References