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Juvenile rheumatoid arthritis can cause joint pain and swelling in children younger than 16. Its symptoms can be intermittent or… What is juvenile rheumatoid arthritis? Juvenile rheumatoid arthritis is a disease. It causes joint pain and swelling. It typically starts before the age of…

Lyme disease is a bacterial infection caused by a tick bite… What is Lyme disease? Lyme disease is a bacterial infection that is caused by a tick bite. It was first recognized in 1975 when large numbers of children around the town of Lyme, Connecticut, were being…