Some argue that estrogen provides
protection against coronary heart disease, but we still don't have one good study proving this, because they have all been done either in combination with progestins (i.e. Provera), or with Premarin, which contains pregnant horse urine that has hundreds of active ingredients besides estrogen, including progesterone and other steroid hormones.
A systematic review ranked the Mediterranean diet as the most likely dietary model to provide protection
against coronary heart disease.