The NHS should provide social media and technology addiction counselling, a leading psychiatrist as said as he called for the growing problem to be classed as a public health issue.
Facebook is asking British users to send naked photos of themselves to the social network, to try to stop revenge porn.
If you're worried an intimate photo of you could be shared by someone else, the idea is to get it blocked before it appears online.
The happiness levels of nearly 10,000 girls and boys were tracked between the ages of 10 and 15. Girls who spent more than an hour a day on social media from the age of 10 were more likely to suffer problems.
What is 'bait out'?
"Bait out" pages are online groups or pages that invite users to share nude images, videos or sexual gossip about others, according to Childnet .
Users are often only allowed access to the group or page once they have shared such content.
While Facebook desperately tightens controls over how third parties access its users' data - trying to mend its damaged reputation - attention is focusing on the wider issue of data harvesting and the threat it poses to our personal privacy.
Data harvesting is a multibillion dollar industry and the sobering truth is that you many never know just how much data companies hold about you, or how to delete it.
A stalker who uploaded sexual images of a mum to social media and adult porn websites as he waged a shocking campaign of harassment has been jailed for 54 months.