Duke University Pediatric Neuro-oncologist, Dr. Henry Friedman talks about the latest research and treatments for brain cancers.  Included is a discussion of his colleague, Matthias Gromeier, who is successfully using the polio virus to treat the most virulent brain tumors. You can find Dr. Freidman at the PRESTON ROBERT TISCH TUMOR CENTER. This episode is sponsored by Hydralyte and Alliant CSP. This episode is sponsored by Hydralyte and Alliant CSP.