Juvenile fibromyalgia (JFM) is a cause of chronic, whole-body pain. The cause of JFM is unknown. One of the possible causes of JFM is a problem with nerves called "small fiber neuropathy." This is a problem where small nerve fibers in the skin are not working properly and patients can have pain as a result. Recent studies have…
Kidney disease patients have a variety of severe bone disorders that result in rapid bone loss and fractures. We are doing this research study to determine relationships between bone quality determined from bone imaging and bone biopsy and by non-invasive measures from blood and skin. We are trying to identify non-invasive…