In a May 23 interview with Vogue, the singer, who now knows she has stiff person syndrome, recalled the early signs and symptoms of the rare neurological disorder. It was 2008 and Dion was on her ...

Stiff Person Syndrome is a rare neurological condition characterised by severe stiffness and muscle spasms, particularly in the back, legs, and arms. This condition often goes underdiagnosed, as its ...