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Learn about the causes, symptoms, diagnosis, and treatment of juvenile rheumatoid arthritis, a joint condition that affects teens and children… 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 spread by ticks. It can cause fever, joint and muscle aches, and a “bull’s-eye”… What is Lyme disease? Lyme disease is a bacterial infection that is spread by ticks. It was first recognized in 1975. Large numbers of children around the…