Low Intracellular Iron Levels May Keep Blood Stem Cells Young The Scientist - April 08, 2024 Britta Will, Ph.D., discusses her study that found that blood-forming stem cell function can be improved by reducing iron levels in aging adult stem cells. Dr. Will is associate professor of oncology, of medicine, of cell biology, and the Belfer Scholar in Cancer Research at Einstein, and co-leader of the stem cell & cancer biology program at the Montefiore Einstein Comprehensive Cancer Center.