The average age of onset is 21 years when the level of intelligence is average or above average. Sufferers have also shown above average verbal skills as opposed to performance abilities. Thirty percent of subjects had a chaotic home environment, where a parent or other family member had a mental disturbance. Its occurrence was found by the study to be equal in women and men. Forty percent of cases reported central nervous system abnormality such as epilepsy, abnormal EEG findings, ADHD, head trauma, or CNS infection.
Pathological lying
Body image disturbance
Sense of impending doom
Poor posture
Fear of trains
Worried well 
Fear of falling
Food craving