I sometimes ponder on the practical effect of the many words written on ‘public health’. And then I wonder, perhaps uncharitably, how many are merely a re-hash of what has already been said. So when a new book had not one, but four, concepts in the title, I was tempted to think that there might be something new, perhaps at the intersection of the four. Or was it another re-working of current knowledge? We already know a lot about the rise of inequality over the past three decades,¹ and about ‘complexity science’ and its applications to health care,² public policy,³ public health⁴ and health disparities.^6,7

中文翻译：

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日益严重的不平等：弥合复杂系统，人口健康和健康差异

我有时会思考许多写在“公共卫生”上的单词的实际效果。然后，我也许奇怪地想知道，有多少只是对已经说过的话的重新哈希。因此，当一本新书的书名中没有一个概念，而是四个概念时，我很容易想到可能会有一些新事物，也许是在这四个概念的交汇处。还是对现有知识的另一种改造？在过去的三十年中，我们已经对不平等现象的加剧有了很多了解，¹以及“复杂性科学”及其在医疗保健中的应用，²公共政策，³公共卫生⁴和健康差距。^{6 ，7}