3K views · 524 reactions |  Castleman disease is rare and potentially deadly disease that healthcare professionals often misdiagnose — resulting in a slow and arduous process for patients and doctors alike.  Physician-scientist, patient, best-selling author of "Chasing My Cure," and co-founder and Executive Director of Castleman Disease Collaborative Network, Dr. David Fajgenbaum joins us on #BehindTheMystery to discuss Castleman disease. | The Balancing Act | Facebook