Excessive internet use linked to depression, research shows

British psychologists have found evidence of a link between excessive internet use and depression, research published today has shown.

Leeds University researchers, writing in the Psychopathology journal (abstract here – subscription required for full pdf),
said a small proportion of internet users were classed as internet
addicts and that people in this group were more likely to be depressed
than non-addicted users.

Excessive internet use linked to depression, research shows | Technology | guardian.co.uk