'CNBC Cures: Defying Rare Disease' premieres tonight 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' airs tonight, March 19 at 7 p.m. ET.