'Defying rare disease': CNBC Cures documentary premieres Thursday at 7 p.m. ET

Hosted by Becky Quick, CNBC will debut an in-depth, one-hour special, “CNBC Cures: Defying Rare Disease,” spotlighting the families dealing with rare diseases and the scientists, advocates, and innovators fighting to change their futures. 'CNBC Cures: Defying Rare Disease' will air on Thursday, March 19 at 7 p.m. ET.