如果你想更加聪明的工作，保持大脑健康，提升智力远远好过你参加额外的课外课程。

But keeping your brain healthy and growing your intellect takes more than attending a few classes at the Learning Annex.

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超重当然会威胁到人体健康。 而新的研究证据显示，它也可能给正常的智力增加额外的负担。

Being overweight is certainly risky for your physical health, but new evidence suggests that it may carry an added mental-health burden as well.

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