Celine Dion's struggle with stiff person syndrome

Canadian singer Celine Dion. (Courtesy)

When Canadian singer Celine Dion announced her diagnosis with Stiff Person Syndrome (SPS) in December 2022, it brought global attention to a rare neurological disorder that affects only one or two people per million.

This autoimmune condition, characterised by progressive muscle stiffness and painful spasms, has left many wondering about its causes, symptoms, and treatment options.