Celine Dion Battling Rare Neurological Disorder Causing Muscle Spasms, Family Says Recovery Uncertain

Celine Dion has been diagnosed with stiff person syndrome, a rare condition causing muscle stiffness and spasms.
The progressive disease leaves sufferers unable to walk or talk and has no known cure.
Dion's sister says there is little they can do to alleviate her pain from the uncontrollable muscle spasms.
The singer has had to cancel tour dates while she undergoes treatment and physical therapy.
Her family expresses hope researchers can find remedies while praising Dion's strength and determination.