Two people who are living with stiff person syndrome — a rare neurological disorder that causes muscle rigidity and spasms — shared with Fox News Digital what their experience has been like.

Stiff-person syndrome — often called SPS — is a rare autoimmune disorder, meaning that infection-fighting cells in the body mistakenly attack healthy tissues.

Stiff-person syndrome, aka Moersch-Woltman syndrome, is a neurological disorder that can cause symptoms such as stiffening in the muscles of the trunk, along with stiffness and rigidity in the ...

Stiff Person Syndrome is a complex and debilitating medical condition. It has become more known since singer Celine Dion revealed her diagnosis By Nicole Saphier, M.D. Fox News ...

But "stiff-person syndrome is suspected when a patient develops rigidity of their muscles suddenly and progressively," Dr. Sachdev says. He notes that blood tests help solidify the diagnosis.

Almost two years after revealing her stiff person syndrome diagnosis, Celine Dion sang again in a grand public performance at the Paris Summer Olympics. She belted out Edith Piaf’s “Hymne à l ...

Stiff person syndrome — a condition that has caused Celine Dion to cancel her tour — is a rare neurological condition that can take years to diagnose and tailor treatment.

Celine Dion revealed on Thursday, Dec. 8, she is suffering from a rare neurological disorder called stiff-person syndrome that is affecting her everyday life. The iconic singer announced the news ...

Stiff person syndrome is a rare neurological disorder that affects one or two in a million people, according to Johns Hopkins Medicine. The disease notably causes progressive muscle stiffness and ...