In an article published in the December issue of the journal Pain, researchers in Nova Scotia have reported that a comprehensive review of 41 studies on pain in children published since 1991 have revealed that children and adolescents experience similar levels of chronic pain as adults. Though typically considered an adult affliction, chronic pain conditions such as frequent headaches and stomach pain occurs in many children. Understanding the patterns of pain in children might help to alleviate their suffering as well as further our understanding of chronic pain in adults.
http://www.kansascity.com/2011/12/09/3310629/chronic-pain-is-common-child-complaint.html