In December 2022, Céline Dion revealed that -- after months of struggling with heath issues, including muscle spasms and stiffness -- she had officially been diagnosed with Stiff Person Syndrome (SPS), a rare autoimmune disorder. According to the Mayo Clinic , Stiff Person Syndrome is "a rare disorder of motor function characterized by involuntary stiffness of axial muscles and superimposed painful muscle spasms, which are often induced by startle or emotional stimuli." Since her announcement, Dion has been open with fans about how the condition has affected her life and career -- and effusive in her thanks for their support every step of the way.
She was forced to cancel her Courage World Tour , which restarted in 2022 after being paused due to COVID, but she has made several public appearances in recent months, including a surprise onstage moment at the 2024 GRAMMYs and several trips to hockey games with her sons . Now, as she prepares to share even more about her recent struggles in a new documentary, I Am: Celine Dion -- which drops June 25 on Prime Video -- ET is looking back at everything Dion has said so far about her battle with Stiff Person Syndrome and her hopes for her health and career in the future. Dion first disclosed that she was battling health issues in January 2022, when she was forced to cancel the remaining North American dates of her Courage World Tour due to a slow recovery from "severe and persistent muscle spasms.
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