jra
JRA is an acronym that can refer to several different topics. Among the most widely recognized usages are in medicine and in sports administration.
Juvenile rheumatoid arthritis, historically abbreviated JRA, is a pediatric autoimmune condition characterized by persistent joint inflammation
Japan Racing Association, another major meaning of JRA, is the organization that administers central horse racing
Other uses of the acronym JRA exist in various fields, but the two meanings above are the