There is a condition - caused by losing the genetic lottery - called familial hypercholesterolemia, where people naturally have very high LDL-C levels. Without treatment, the life expectancy of those with familial hypercholesterolemia can be reduced by approximately 15-30 years. However, in people with homozygous familial hypercholesterolemia, the life expectancy may only be 20 years or less
https://ada.com/conditions/familial-hypercholesterolemia/
The crazy thing is that people following the carnivore diet can have have cholesterol levels similar to those unfortunateswith homozygous FH - the worst kind ...
Severe Dyslipidemia Mimicking Familial Hypercholesterolemia Induced by High-Fat, Low-Carbohydrate Diets: A Critical Review (2023)
