What ages an artery: the cholesterol inside a few particles, or the number of particles passing through over time? ApoB matters because it tracks atherogenic particle burden beyond LDL-C alone.
#apob #lipids

LDL-C and HDL-C are familiar; ApoB is less famous. Bottom line: ApoB is usually the cleaner predictor, because arteries see particle traffic, not cholesterol labels.
#apob