11-year-old living with Juvenile Idiopathic Arthritis
Juvenile Idiopathic Arthritis (JIA) affects one in 1,000 children under the age of 16.
Aaron Chauhan, 11, from Windsor, is one of those young sufferers.
He, along with Anne Gilbert from the National Rheumatoid Arthritis Society, spoke to BBC Radio Berkshire's Martin Stanford about living with the condition.