Pain has been found to negatively impact all aspects of quality of life and is associated with a reduction in physical, social and emotional functioning. Children who have higher levels of pain tend to have reduced levels of socialization, school attendance and participation in activities. Increased pain is also correlated with poor sleep and higher fatigue in children with JIA. The causation of pain in JIA is multifactorial. There are disease-related factors, which relate to the inflammatory process, and anatomical or biomechanical changes that are associated with joint swelling and joint disease. There are psychological factors around dealing with stress, coping with a chronic illness and managing anxiety or depression which can influence the perception of pain and the degree of functional impairment. There are also social factors, which relate to family and peer relationships, parental distress and social and financial supports. Given the waxing and waning nature of JIA, childrens physical abilities, pain and mood can change during periods of flare or remission. Coping with chronic illness during childhood and adolescence is associated with significant stress that can put children at risk for emotional or behavioural distress and can interfere with compliance and adherence to treatment regimes. Managing JIA can be a challenge and it is important to have a toolbox of skills, supports and strategies to draw upon to manage the ups and downs of having a chronic illness. There are many things that can help children with JIA to grow up to have full and active lives.
These terms were replaced in 1997 with the release of the revised ILAR (International League of Associations for Rheumatology) classification criteria.There is currently an international movement underway to further revise the classification criteria for JIA, although this is in a preliminary phase.MeSH uses "juvenile arthritis" as the primary entry, and uses "idiopathic", "chronic" and "rheumatoid" in alternate entries. Society
Some famous people with this condition are:

Antoni Gaudi, architect
Clark Middleton, actor
Claire Cottrill, singer-songwriter
Rosemary Sutcliff, author

References
External links
Arthritis Australia, Juvenile Idiopathic Arthritis
JIA@NRAS (UK)
JIA - NIH Medline Plus.