![Young people who spend more than two hours per day on social networking sites are more likely to suffer from mental illness.](/web/20170525235947im_/http://www.theage.com.au/content/dam/images/1/3/3/f/g/l/image.related.wideLandscape.460x259.gw9fvq.png/1495400048377.jpg)
Worst social network for young people's mental health
Instagram is ranked as the worst social networking app when it comes to its impact on young people's mental health, according to a new survey published by the Royal Society for Public Health (RSPH) in the UK.