Dhaka, Oct. 3 -- An estimated 10,000 schoolchildren in the United Kingdom are living with juvenile idiopathic arthritis (JIA), yet most of their teachers have little to no awareness of the condition.

JIA is the most common form of arthritis in children and teenagers, causing inflammation in the hands, knees, ankles, elbows and wrists, reports The Independent.

Because arthritis is widely thought of as a condition of old age, warning signs in young people are frequently overlooked, and diagnoses are often delayed.

The condition is autoimmune, meaning the body's immune system attacks its own tissue.

There is no cure, but symptoms can be managed through painkillers, steroids, and disease-modifying anti-rheumatic drugs.

Some children go i...