What is stiff person syndrome, the condition Celine Dion is battling?
Complications from stiff person syndrome, a rare neurological condition that causes spasms and muscle rigidity, have caused singer Celine Dion to cancel her “Courage World Tour” dates through 2024, according to a statement posted on the star’s social media account. Dion postponed several performances in December after learning the reason for her muscle pain and difficulties…
