Céline Dion was diagnosed with stiff-person syndrome. Here's how it affects people

last year
The singer Céline Dion announced she finally has a diagnosis for the medical condition that has caused her to cancel and postpone performances over the past year.
In a tearful social media post Wednesday, the "My Heart Will Go On" singer said she's been suffering from stiff-person syndrome, a rare and incurable neurological condition that causes severe muscle spasms and stiffening in the limbs.