Extra X chromosomes significantly increase the risk for systemic lupus erythematosus (SLE) and Sjögren disease, with the prevalence of these conditions being higher among patients with Klinefelter and ...

Researchers have uncovered a serious risk for folks who have an extra X or Y chromosome. Those with the genetic condition known as supernumerary sex chromosome aneuploidy have a risk for blood clots ...

“It’s quite extensive, detailed, and incredibly well done,” said Robert Lahita, a rheumatologist at St Joseph’s Health Medical Center who was not involved with the work but who has collaborated with ...