Stiff Person Syndrome

The Impact of Stiff-Person Syndrome

Stiff-person syndrome (SPS) is a rare neurological disorder that affects the muscles, causing them to become rigid and stiff. It is characterized by progressively worsening stiffness and muscle spasms in the trunk, neck, arms and legs. The cause of SPS is unknown, but it has been linked to certain genetic factors as well as environmental […]

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