1 in 5 US parents worry their teen is addicted to the internet medicalxpress.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from medicalxpress.com Daily Mail and Mail on Sunday newspapers.
Selfie obsession or selfitis, an obsessive, uncontrollable urge to post self-taken photographs on social media may be a mental disorder needing treatment.
Social anxiety disorder is a common mental health problem where a person is abnormally fearful of social situations, sometimes severe enough to affect daily life.