The Gene Preview
Clip | 4m 40s
This excerpt is the story of a young family with two children who have spinal muscular atrophy (SMA). SMA is a rare genetic neuromuscular disease that affects the part of the nervous system that controls voluntary muscle movement. It is a deteriorating disease — and children with this form of SMA may survive to two years of age or older.
Aired: 10/18/19Video has closed captioning.