Add Yahoo as a preferred source to see more of our stories on Google. Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp.

World-renowned singer Celine Dion shared a vulnerable moment of her experience with stiff-person syndrome in a raw scene in the new documentary, “I Am: Celine Dion.” The film, released Tuesday on ...

Celine Dion has announced that she is canceling the rest of her North American tour due to severe muscle spasms. The performer announced on social media that that she hoped she'd be good to go by now, ...

Céline Dion's rare neurological disorder, stiff person syndrome, is the focus of her new documentary “I Am: Céline Dion,” released on Prime Video in late June. To create the film, the music legend ...