来自《耶鲁大学开放课程：有关食物的心理学、生物学和政治学 第12集》

• 
  
  are very important in the context of
  在改变饮食和改善人口健康的大背景下
• 
  
  changing diet, and changing the health of the population.
  十分重要
• 
  
  If you look back in history several hundred years,
  如果我们回顾过去几百年的历史
• 
  
  you get some very startling statistics like this one.
  可以得到一些令人震惊的数据
• 
  
  Then, in this case in France, the median age of marriage
  这个法国的例子里 结婚的中位数年龄
• 
  
  was older then the median age of death,
  要比死亡的中位数年龄大
• 
  
  and the only way that could occur of course is
  发生这种情况的唯一可能就是
• 
  
  if many, many people are dying young.
  很多很多的人年纪轻轻就死了
• 
  
  This has been turned around by public health.
  公共卫生改变了这样的情况
• 
  
  This is obviously no longer the case in any part of the world,
  显然现在哪里都没有类似的情况了
• 
  
  and the question is, what's happened,
  那么问题是 发生了什么
• 
  
  and what are the health victories
  卫生情况是怎么样的