Challenging work that requires lots of analytical thinking, planning and other managerial skills might help your brain stay sharp as you age, a study published on Wednesday in the journal Neurology suggests.

周三发表在《神经病学》杂志上的一项研究表明，需要大量分析思维、计划和其他管理技能的挑战性工作可能有助于你年纪渐长时保持大脑敏锐。

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Taking time off helps you stay sharp.

留出一点时间能让你保持敏锐。

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Even puzzle-based video games can help you stay sharp.

puzzle - based视频游戏可以让你头脑更加敏捷。

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He spends a lot of time working on his shots and conditioning to stay sharp.

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It takes energy to travel, to lead a company, and to stay sharp in long meetings.

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But we will work hard when we can, and try and stay sharp ready for the games.

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