令人不安的研究显示，自20世纪70年代以来，人类智商分数有所下降。
挪威RagnarFrisch经济研究中心表示，数十年来分数一直在下降。
OleRogeberg和BerntBratsberg在一篇名为“国家科学院院刊”的论文中发表了他们的发现。
人类在上个世纪更聪明
过去进行的研究显示，在上个世纪的前半期，人们确实变得更聪明，这种趋势被称为“弗林效应”。许多人试图提出解释，是什么让人类变得更聪明，可能是得到更好的教育，更好的医疗保健甚至吃更有营养的饮食。
现在看起来好像这一趋势已经结束了，因为该研究分析了1970年和2009年申请在挪威执行军事任务的男性的智商结果。该研究的数据包括730,000项测试结果，研究人员惊讶地发现智商分数有每代下降约7个点。这与70年前的研究结果有很大的不同。
智商分数的变化不限于挪威。来自英国的一个团队也进行了研究，他们也发现智商分数下降到4.3分，自二战结束以来每十年下降2.5分。
在美国进行的一项研究显示，如果儿童饮食中含有鱼，其智商得分较高。今天的孩子在饮食中不会吃太多的鱼，而是喜欢垃圾食物。其次，环境因素可能随着生活方式的变化而发挥作用。电子游戏导致儿童更少的阅读书籍。
弗林效应趋势是环境造成的，但近年来这种趋势已经放缓或者在某些情况下实际上被扭转了。
为了孩子的智商成长，请让他少玩电子游戏，多阅读，并且多吃鱼。
文章来源：麦田怪圈 2018.06.29
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