Testing umbilical cord blood can help ID porphyria in newborns
Testing umbilical cord blood can help identify newborns with undiagnosed erythropoietic protoporphyria (EPP) or X-linked protoporphyria (XLP), two inherited forms of porphyria marked by extreme sensitivity to light, according to a small study from the U.K. While symptoms of these diseases generally emerge at 1 year of age, extremely…