Butter and other fats

http://www.hsph.harvard.edu/nutritionsource/what-should-you-eat/fats-and-cholesterol/

http://www.hsph.harvard.edu/nutritionsource/healthy-fats/?utm_source=SilverpopMailing&utm_medium=email&utm_campaign=Nutrition%20Source%20-%20October%202014%20(1)&utm_content=#tropical-oils