一天一苹果真的预防痴呆么？_BEC初级作文

一天一苹果真的预防痴呆么？

一项发表于《阿兹海默症期刊》的课题研究了一组年老的老鼠在食物摄取量不足的条件下的行为。在迷宫测试中，这些老鼠表现欠佳，显示出认知能力的下降。然而，把苹果汁加到老鼠的食谱里一个月后，它们的记忆力恢复到原来的水平且又能走出迷宫了。（对老鼠进行的研究常能反映到人类身上，也就是说，苹果汁也能提高我们的记忆力）

How Do Apples Affect the Actual Health of the Brain?

苹果是如何影响大脑的实际健康的？

A second study found that the actual brain structure was affected in mice whose drinking water included apple juice. The mice's brains were examined and found to contain a decreased level of beta amyloid protein, as compared to the brains of mice whose drinking water had not contained apple juice. The accumulation and excess of this protein in the brain is one of the hallmarks of Alzheimer's disease.

第二项研究发现喝了加有苹果汁的水会影响老鼠的实际大脑结构。研究证明，饮用加苹果汁的水的老鼠，其大脑所含β-脑内淀粉样蛋白少于不加苹果汁的水的老鼠。而这种蛋白在脑内的积聚和过剩是阿兹海默症的显著特征。

Will Eating an Apple Right Before a Test Help You Perform Better?

在考试前吃个苹果会让你表现更佳么？

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. The study did not, however, measure if a sustained diet that included apples affected cognition or risk of dementia over time.