将指定的英文文本翻译成中文。


A new study shows that eating chocolate every day can improve your memory. This is because chocolate contains compounds called flavanols, which are known to have cognitive benefits.
一项新的研究表明，每天吃巧克力可以改善你的记忆力。这是因为巧克力含有一种叫做黄烷醇的化合物，这种化合物已知具有认知益处。