Celine Dion Health Condition. The understanding of stiff person syndrome has increased since celine dion announced she was diagnosed, but advocates say more needs to be done to find a cure. In her post, dion noted.

Céline dion is speaking publicly with her diagnosis of stiff person syndrome (sps), a rare autoimmune neurological disease. An emotional celine dion has revealed she has been diagnosed with a rare neurological illness as she cancelled her upcoming tour dates.