Celine Dion Is a 'Fighter' Amid Stiff-Person Syndrome Battle: Sources

Celine Dion doing 'physical therapy every day' in hopes of a return to the stage amid incurable stiff-person syndrome: 'She's a fighter'

Celine Dion's sister gives update on stiff-person syndrome, saying singer "has no control of her muscles"

Celine Dion's Sister Gives Update on Stiff-Person Syndrome Diagnosis