作为一名医生，营养是你能改变的最强大的东西之一，可以逆转长期疾病的影响。

As a physician, nutrition is one of the most powerful things you can change to reverse the effects of long-term disease.

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例如，外来植物的入侵可能会改变落叶的数量，从而改变对土壤的营养贡献。

For example, an invading nonnative plant could alter the quantity of leaf litter production, which would alter nutrient contributions to the soil.

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通过改变处方中的营养成分，或开展“与医生一起购物”等项目，他们试图改变患者的饮食习惯来预防、限制甚至逆转疾病的发生。

By prescribing nutritional changes or launching programs such as "Shop with Your Doc", they are trying to prevent, limit or even reverse disease by changing what patients eat.

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So the nutrition landscape and the physical activity landscape is changing and is sweeping way across the world.

营养和人类日常活动的范畴已日渐改变,且该影响已经席卷全球

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选