
Horizon
Skeleton Key
TV-PG
S36 • E8 Mar 24, 1999 60mIn this report, Horizon investigates the rare disease called Fibrodysplasia Ossificans Progressiva, which causes muscles and ligaments to turn into solid bone. This disease causes severe disfigurement and suffering, and often-time death. We look at the research by scientists trying to find out the causes of the disease and how to find a cure.