NEW YORK (CBSNEWS.COM) – A new review of several studies shows the potentially harmful impact of social media use on teenagers. It confirms what many parents have long feared.

A man holds a smart phone with the icons for the social networking apps Facebook, Instagram and Twitter seen on the screen. (credit: Kirill Kudryavtsev/AFP/Getty Images)

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The results link social media use to mental distress, self-harm and suicide. More than two hours of social media use a day is associated with higher rates of depression and suicidal thoughts in girls.

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In one study, girls reported feeling negative after 10 minutes of browsing Facebook.

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