You got that right. And it removes the protective coating surrounding the synaptic pathways, which leads to......dementia.
And no one bats an eye when the average cholesterol of an Eskimo is 500.
And speaking of Eskimos, most doctors have never even heard of an omega-3 ratio.
You must not be sighting this study
https://pubmed.ncbi.nlm.nih.gov/9115542/