蔬菜中的叶黄素或能延缓认知衰老_BEC初级作文

蔬菜中的叶黄素或能延缓认知衰老

"随着人们年龄的增长，他们会经历一些典型的衰退。然而，研究表明：这一过程可能比预期更早。有些人30岁的时候就能看出差异了，"该文章的第一作者安妮·沃克（Anne Walk）说道。"我们想要了解在整个生命周期中，饮食对人们认知的影响。如果叶黄素能防止认知功能衰退，我们就应该鼓励人们在生命中的某个阶段多吃一些富含叶黄素的食物，因为这个阶段能带来最大的益处。"

Lutein is a nutrient that the body can't make on its own but it can be acquired through diet. As well as green leafy vegetables such as spinach and kale, it is also found in foods such as avocados and eggs. To measure levels of the nutrient in the participants the researchers looked at the participants' eyes, where lutein accumulates in the tissue, asking them look into a scope and respond to a flickering light.

叶黄素是身体自身无法产生的营养物质，但却可以通过饮食获得。菠菜、羽衣甘蓝等绿叶蔬菜以及牛油果、鸡蛋等食物都含有叶黄素。为了测量受试者体内的叶黄素水平，研究人员检查了受试者的眼睛，因为叶黄素积累在眼睛的组织中，并让他们看向一个区域，对闪光灯做出反应。

While the participants performed a task to measure their attention, the researchers used electrodes on the scalps to measure neural activity in the brain.