BUFFALO, N.Y. — High school biology teacher Kelly Chavis knew smartphones were a distraction in her class. But not even her students realized the psychological toll of their devices until an in-class experiment that, of course, was then spreading on social media.
Schools reckon with social stress
'I'm on my phone so much'
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![stress](https://statesboroherald.cdn-anvilcms.net/media/images/2019/06/07/images/stress.max-752x423.jpg)
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