In 2022, Dion announced that she was diagnosed with stiff person syndrome, a rare neurological disorder that causes muscle spasms and impacts her ability to sing. At the time, Dion canceled all of ...
What is Lambert-Eaton syndrome? Lambert-Eaton syndrome is also known as Lambert-Eaton myasthenic syndrome. It is a rare, autoimmune disorder in which the immune system attacks the neuromuscular ...