Shyness could be defined as a mental illness

 

Under changes planned to the diagnosis handbook used by doctors in the US, common behavioural traits are likely to be listed as a mental illness, it was reported. The fifth edition of the Diagnostic and Statistical Manual (DSM) of Mental Disorders could also include internet addiction and gambling as a medical problem. Although the guidelines are not used in the UK, experts said they feared it would affect thinking on the subjects. "We need to be very careful before further broadening the boundaries of illness and disorder," Simon Wessely, of the Institute of Psychiatry at King's College London, told the Daily Mail. "Back in 1840 the census of the United States included just one category for mental disorder.