Actress Julia Roberts speaks about the harmful effects of social networks on mental health. Roberts says she was extremely hurt by recent criticism of her physique.

“I thought, 'My God, what would have happened if I was 15?' It’s just devastating,” she laments. In the caption of her post, her friend Viola Davis added: “This Julia Roberts story says it all. Social media can be toxic. What does this do to all of us – especially young people? Let's think about it”