Need To Know News 19-01-08 Original post Cached copy Is Arthritis in Childhood Becoming the ‘New Normal’ – Are Vaccines to Blame? Need To Know News - 2019-01-08 - Original post - Cached copy Juvenile Idiopathic Arthritis, (idiopathic means cause unknown) is on the rise as one in every 1,000 children in the US now develops some form of chronic arthritis. This is twice the rate in the 1980s.