It wasn't the--in a place where they use the Mediterranean Diet or not -but it was how much did individuals actually follow the Mediterranean Diet and then they looked to see what impact that had on health.

这不是基于某地区是否处于地海式饮食区,而是基于受测个体本身,遵循地中海式饮食的程度进行分组,然后观测其对健康的影响作用

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选