Céline Dion says that almost anything — even happiness — can trigger the symptoms of her stiff-person syndrome

Tech Insider
Celine Dion is seen outside Alexandre Vauthier during Haute Couture Spring Summer 2019 : Day Two on January 22, 2019 in Paris, France.
Céline Dion says symptoms of her stiff-person syndrome can be easily triggered.

Christian Vierig

Céline Dion tried to pass off her stiff-person syndrome as a sinus infection before her diagnosis, but couldn't bear 'lying' to her fans

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Celine Dion performs during Barclaycard Presents British Summer Time Hyde Park at Hyde Park on July 05, 2019 in London, England.
Celine Dion sings onstage.

Dave J Hogan/Getty Images

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