Celine Dion's sister gives update on stiff-person syndrome, saying singer "has no control of her muscles"
CBSN
Celine Dion stepped away from performing last year as she battled "stiff person" syndrome, a rare neurological disorder that has affected her ability to walk and sing. Her sister, Claudette Dion, now says Dion doesn't have control of her muscles.
"There are some who have lost hope because that it is a disease that is not known," Claudette, 75, told French publication 7 Jours.
Claudette is also a singer and CEO and spokesperson for the Fondation Maman Dion, an organization founded by their mother that helps disadvantaged kids.

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