You should be eating mostly nutrition-rich foods, especially fruits and veggies, which are packed with vitamins to keep your immune system functioning at its best.

此时应多吃营养丰富的食物，特别是水果和蔬菜，它们富含维生素，有助于免疫系统发挥最佳功效。

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Even if we eat all the right foods, if our villi are not functioning properly the body will not be able to absorb and use the nutrition.

即使我们吃的所有食物的权利，如果我们的绒毛是不正常的身体将无法吸收和利用的营养。

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A third study tested the immediate effects of apples and spinach (both separately and together) and found no change in the cognitive functioning of the participants right after eating the foods.

第三项研究检验了吃完苹果和菠菜(分别吃和同时吃)是否有立竿见影的效果，发现刚吃完蔬菜水果后，参加者的认知能力并没有改变。

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Scientists use at least 20 million rodents a year in experiments in the U.S., to test foods, drugs and chemicals and to unearth basic truths about the causation of disease and the functioning of the human immune system.

FORBES: Of Mice and Mischief