Social media and the Internet in general have had a tremendous impact on our lives. We already know that social networks make us distrustful and unhappy but how big of a problem is it when nearly half of adults say they couldn’t last a day without their smartphone?

This latest segment from AsapScience takes a look at the impact that social media is having on our brains. The results – like the fact that some people are clinically addicted to the Internet or the fact that technology has begun to rewire our nervous system – are a bit frightening. After watching, I'm all in favor of adding a second National Day of Unplugging to the calendar.

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