Cholesterol isn't one substance — it's a family of lipoprotein particles, and the story that matters is cumulative exposure: LDL particle-years work like pack-years for smoking, arithmetic added slowly across decades. It's also cardiology's most measurable, most modifiable risk factor. This guided journey covers the mechanism, the numbers, and the honest levers — including where food ends and medicine begins.
3 quick steps~2 minutesEvidence-awareHealth info, not a diagnosis