Stiff person syndrome: What is the rare condition that has caused Celine Dion to cancel tour dates?

Last year Celine Dion revealed she has stiff person syndrome, an autoimmune disease and neurological condition

Singer Celine Dion has canceled all her scheduled tour dates through April 2024 as she battles a rare neurological disorder. Picture: Jacques Boissinot/The Canadian Press via AP

The remaining 42 dates of Canadian singer Celine Dion’s Courage World Tour have been cancelled, due to the effects of a rare neurological disease called stiff person syndrome.

On Friday, the singer issued a statement which said: “I’m so sorry to disappoint all of you once again.