世界各地的政客们正在诉诸于一系列令人眼花缭乱的政策，以促使人们吃得更健康。我们解释了为什么许多政策针对的是零售商，而不是消费者。唠叨人们多吃健康食品似乎并不奏效。
Politicians around the world are turning to a bewildering array of policies to make people eat healthier. We explain why many are targeting retailers, not consumers Nagging people to eat more healthily does not seem to work