One of the important features of the Iranian family, Lifton noted, was that affected family members exhibited metabolic syndrome and early coronary artery disease, but unaffected family members were normal.

• 该伊朗家族一个重要的特征是，李夫顿指出，受影响的成员表现代谢综合征和早期冠心病，但未受影响的成员则是正常的。他说，这些提示冠心病的发生是代谢危险因子簇集的结果，尽管它们各自作为单个因子在家族中遗传的但是共同起作用的。