A new study shows teenagers are spending an alarming amount of time alone, and it's raising concerns among experts about social isolation. 

<p>A new study shows teenagers are spending an alarming amount of time alone, and it's raising concerns among experts about social isolation.&nbsp;</p>

Join Natalie Peters and Erin Molan on 'The Weekend Edition'

<p>Join Natalie Peters and Erin Molan on 'The Weekend Edition'</p>

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