RFK Jr To Recommend Americans Eat More Saturated Fats, Dairy, And Meat Nutrition science is nuanced, but for decades, experts have stated that substituting a source of saturated fats (such as butter or tallow) for unsaturated and polyunsaturated fats (like olive oil or walnuts) reduces blood cholesterol levels and the risk of cardiovascular disease (CVD), which is the leading global cause of death. Read more on the PBN website | Plant Based News