Richard Weindruch explains. "Our data show that there is about a three-fold higher risk of developing a disease of aging in those animals fed the normal diet as opposed to those that have been on caloric restriction since they were adults."

VOA: special.2009.09.01

Okay, the higher caloric density.

没错,高热量密度

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选