As we all know - woe betide anyone who's LDL goes up on an #lchf diet! daily we get bombarded with messages about eating polyunsaturated fats because they cause king LDL to go down. I thought you might be interested to read this study. Done in 1965 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2166702/?page=3 is conclusions should have killed the LDL debate stone dead. its a testimony to the profit motive that we re Still being bombarded 50 years later.