The findings of these studies resulted in a number of fast-food establishments changing their fry oil to vegetable oil, which contains much less saturated fat than the palm oil and animal fats that were used previously. Unsurprisingly, the studies that prompted these actions had more public policy effects in the coming years. The classical “Food Pyramid” is really what drove this point home.
A ketogenic diet is a high-fat, adequate - protein, low-carbohydrate diet that is primarily used to treat difficult-to-control epilepsy in children. This resembles some aspects of starvation by forcing the body to burn fat rather than the carbohydrates.