Physicians worry about high LDL levels due to the lipid hypothesis, influenced by Ancel Keys' work linking saturated fat to cholesterol and heart disease.

“what has happened why the physicians you know why do my colleagues get worried when there's a lot of LDL around what is this lipid hypothesis and how do we sort of think maybe this isn't correct well certainly there are people who know the history a lot stronger than I do I definitely recommend checking out Gary Taubes and Meena Tai schultz both their books and their lectures they get into how there really was kind of a catalyst event that really put it into the forefront in our country and it was when we had a sitting president get a heart attack”