Mister Pollan shows that Americans could start to reverse many health problems and begin to build a richer food culture by replacing processed foods with a diet of natural food.

Mister Pollan认为美国人可能会着手扭转健康问题，开始建立一个更丰富的饮食文化，用天然食品代替加工过的食品。

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This means avoid processed food, and keep to a natural diet, like fresh fruit, vegetables, nuts, fish.

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