Celine Dion's Sister Provides Update on Singer's Stiff-Person Syndrome Battle

Celine Dion's sister, Claudette Dion, has provided an update on the singer's battle with stiff person syndrome, revealing that Celine has "lost control of her muscles" as the condition worsens. Despite the dire outlook, Celine still has a desire to perform again. Stiff person syndrome is a progressive and incurable neurological disorder that affects the muscles, including the vocal cords and heart. Celine's sister acknowledged the lack of research on the condition due to its rarity and expressed that many patients and their families have lost hope for a cure. However, Celine has received an outpouring of support from fans, who have sent messages, presents, and prayers.