调查快结束时,研究人员开始问他们一些关于记忆的问题:例如,“你是否比平时更难以记住购物清单之类的简短清单?”或者“你的记忆力是否比平时更难以跟上小组谈话或电视节目中的情节?”
A growing number of "yes" answers to such questions can signal cognitive decline, the researchers say.
研究人员称,对这类问题越来越多的回答是“是的”,这可能预示着认知能力下降。
The participants were sorted into five groups, based on how many servings of vegetables and fruits they got per day, from six servings in the healthiest group to just two servings at the other end of the spectrum.
参与者根据他们每天吃的蔬菜水果份量被分成五组,从吃六份的最健康组到只吃两份的最差组。
The six-serving eaters were 34 percent less likely to be forgetful. And the results were even better if the men happened to steer toward carotenoid-rich vegetables, such as carrots, pumpkin and spinach.
吃六份蔬菜水果的人健忘的可能性要低34%。如果这些男性碰巧选择富含类胡萝卜素的蔬菜,比如胡萝卜、南瓜和菠菜,效果会更好。
Furthermore, those who drank orange juice often were 47 percent less likely to become forgetful, compared with those who drank OJ less than once a month.
此外,那些经常喝橙汁的人健忘的几率比那些一个月喝橙汁不到一次的人要低47%。
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