by St. Jude Children’s Research Hospital Corresponding author Mitchell Weiss, M.D., Ph.D., chair of the St. Jude Department of Hematology (left), helped uncover how the body generates protective fetal hemoglobin against sickle cell disease and beta-thalassemia. Credit: St. Jude Children’s Research Hospital Hematologists at St. Jude Children’s Research Hospital have discovered key molecular details of...