Stiff person syndrome (SPS) is a rare neurological disorder that causes muscle stiffness and repeated muscle spasms triggered ...

In 2022, Dion announced that she was diagnosed with stiff person syndrome, a rare neurological disorder that causes muscle spasms and impacts her ability to sing. At the time, Dion canceled all of ...

We love you." In June, René-Charles Angélil, joined Dion at the New York premiere of her documentary, "I Am: Céline Dion,", which documents her journey with stiff-person syndrome, a rare ...