___________ disorder involves a person having persistent body related symptoms which may or may not be related to any serious medical condition.

Somatic symptom disorder 

Somatic symptom disorder involves a person having persistent body-related symptoms which may or may not be related to any serious medical condition. People with this disorder tend to be overly preoccupied with their symptoms and they continually worry about their health and make frequent visits to doctors. As a result, they experience significant distress and disturbances in their daily life.