It all started with ancel keys' https://en.m.wikipedia.org/wiki/Ancel_Keys https://en.m.wikipedia.org/wiki/Ancel_Keys suggestion that cholesterol and animal fat

It all started with ancel keys' https://en.m.wikipedia.org/wiki/Ancel_Keys https://en.m.wikipedia.org/wiki/Ancel_Keys suggestion that cholesterol and animal fat are bad to human. Whole industry started because of this claim, plant based cooking oil, margarine, trans fat. Each targeted in replacing one aspect of animal oil. Each are later found to be (more) harmful than animal fat. I would recommend the book big fat surprise https://www.goodreads.com/book/show/16130316-the-big-fat-surprise https://www.goodreads.com/book/show/16130316-the-big-fat-sur... if anyone is interested in learning how the oil industry evolved