Across the rich world, gov-ernments with ageing populations are worried about soaring health-care costs. In Britain this week David Cameron announced yet another reorganisation of the National Health Service (see page 65). But the problem is most severe in America. Medical spending per head has nearly tripled since 1990, yet most indicators of health have barely budged.
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机译：在整个富裕国家，人口老龄化的政府担心医疗保健费用飞涨。戴维·卡梅伦（David Cameron）本周在英国宣布对国家卫生局（National Health Service）进行另一次重组（请参阅第65页）。但是问题在美国最严重。自1990年以来，人均医疗支出几乎增加了两倍，但大多数健康指标几乎没有变化。
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