Celine Dion , Cancels World Tour Amid Battle With , Rare Neurological Disorder.<br />TMZ reports that Celine Dion has canceled<br />her Courage World Tour, posting an <br />emotional announcement on social media.<br />According to the iconic vocalist's Instagram post, she would be unable to go on with the sold-out tour as a result of her ongoing battle with a rare neurological disorder.<br />According to the iconic vocalist's Instagram post, she would be unable to go on with the sold-out tour as a result of her ongoing battle with a rare neurological disorder.<br />Dion said that the news was a "tremendous <br />disappointment" and that she was "working <br />really hard to build back her strength.".<br />Acknowledging fans' disappointment following a series of <br />postponements, Dion apologized for canceling upcoming <br />shows in France, Belgium, Denmark, Poland and the UK.<br />I want you all to know, <br />I'm not giving up … and <br />I can't wait to see you again!, Celine Dion, via Instagram.<br />In December, Dion postponed the sold-out <br />tour after publicly disclosing her battle <br />with Stiff Person Syndrome (SPS). .<br />TMZ reports that SPS is a rare <br />neurological disorder that causes <br />stiffness in the torso and limbs. .<br />The disorder also can result in <br />emotional distress and <br />debilitating muscle spasms. .<br />At the time, the singer said that SPS has <br />impacted "every aspect" of her daily life and <br />has made it difficult for her to sing or perform.<br />In severe cases, the rare disorder, which <br />impacts about one in a million people, <br />can leave some unable to walk or speak
