Rapper Missy Elliott reveals in the new issue of "People" magazine article that she is battling Graves disease, an autoimmune condition that makes it difficult to perform basic everyday tasks.
Elliot, 39, attributes the ailment for her disapearance over the past three years from the limelight.
She is undergoing treatment that has included radiation, according to media reports. The disease, which affects the thyroid gland, can reporteldy cause a long litany of unpleasant symptoms. At one point, the disease had become so debilitating that Elliott could not write or drive.
"I couldn't keep the brake down and almost crashed," she said in the "People" interview.