他们补充说：“这次研究的结果，有助于开发新的保护和治疗策略来保持晚年健康的认知能力。”

The results of this study, they add, "may help to develop new prevention and treatment strategies for maintaining cognitive health into old age."

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我们还无法知道这些影响的起因，但一个人的幸福和健康会影响他的认知能力或则说人的认知能力促进了他的健康。

Does a person's wellness and happiness affect their cognitive abilities or does a person's cognitive ability contribute to their sense of wellness.

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然而，他补充说：“含适量的维他命b的健康饮食有助于减低风险，尽管临床试验还未证明有助于认知能力。”

However, he added, "a healthy diet with adequate B12 may still be useful in reducing risk despite the failure of initial clinical trials to show a benefit on cognition."

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