Instagram - with many shocked by the revelation. In a video dated October 2018, The Voice star revealed she woke up from the surgery and couldn't talk, which led to a paralysis of a nerve in her tongue.
It's not clear why Delta had the operation but studies show the most common reason for removing a saliva gland is because of infection due to a blockage.
Delta had kept the surgery a secret up until this point, but decided to open up as a way of explaining the meaning behind her new song, Paralyzed.
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