Mariah Carey to Pen Memoir Following Bipolar Disorder Reveal In a Page Six exclusive, a rep for Carey confirmed she will release the memoir and that she has been “looking inward” after disclosing her battle with bipolar disorder to People magazine. Carey's rep, to Page Six Carey's rep, to Page Six The mother of told People that she was diagnosed in 2001, and she has taken control of the situation. Mimi will be helming a 15th studio album and heading an upcoming tour, according to the report. The May 2018 issue of People magazine will be available on newsstands Friday, Apr. 23.