台湾籍旅美老师今天交给我们的句子是：

With social media sites being used by ⅓ of the entire world, they’ve clearly had a major influence on society. But what about our bodies? Here are 5 crazy ways that social media and the internet are affecting your brain right now!
全世界三分之一的人都在使用社交网站，它们确实有重大影响力。那对你的身体而言呢？以下是5个社群网站渗透你大脑的绝妙方式。