The only thing not essential for humans are carbs. You have to eat protein and fatI found his guest, Nina Teicholz, several years ago. She exposes so much fraud in dietary science and the food industry.
The whole cholesterol scam started back the 50's with a guy named Ancel Keys, long story.
Lobbyists and money drive everything including food.
So far their advice is working great, we have a wonderful obesity and diabetic epidemic going on. And what do you know, the drug companies can rescue us all.
I don't trust much of anything anymore.