Celine Dion's Sister Claims Singer Has Lost Control Of Muscles In Stiff-Person Syndrome Battle

Celine Dion Has Lost Control of Her Muscles, Her Sister Confirms

Celine Dion Has Lost Control of Her Muscles, , Her Sister Confirms. Dion was diagnosed with a rare neurological condition known as Stiff-Person Syndrome last year. In a new interview with '7 Jours,'..

Céline Dion has 'lost control of her muscles' amid her stiff person syndrome fight

Nearly a year after revealing her diagnosis, Céline Dion has “lost control of her muscles” as she keeps enduring stiff person syndrome, according to her sister.