Celine Dion suffers a spasm in documentary scene, casting spotlight on stiff person syndrome

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.”  NBC News Health

​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.”