Chronic diseases have a major role in the healthcare costs, so if you look at these chronic diseases, heart disease, stroke, cancer and Diabetes we find that seven out of ten of all deaths are now due to chronic diseases, whereas, it was a very small fraction in 1900.

慢性疾病是医保费用中的一个大头,你看看这些慢性疾病,心脏病,中风,癌症和糖尿病,就会发现如今十分之七的死亡,都是源于慢性疾病,然而,这在1900年仅占很小一部分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选