Is your teenaged daughter addicted to photo editing applications such as Snapchat to get that flawless look for the perfect selfie? Beware, it can take a toll on her self-esteem and trigger body dysmorphic disorder (BDD), warn researchers, including one of an Indian-origin.

BDD is a mental illness involving an excessive preoccupation with a perceived flaw in appearance, often characterised by people adopting unhealthy lengths to hide their imperfections. It has affected around two per cent of the population.