Just three months after Michael Douglas told “Today’s” Matt Lauer, “I’ve got (cancer) beat,” his wife, Catherine Zeta-Jones, has checked herself into a mental health facility. The actress, who has been by Douglas’ side since he was diagnosed with throat cancer last fall, is seeking treatment for bipolar II disorder, her rep confirms.

Bipolar II disorder, which, according to the Mayo Clinic, is less severe than bipolar I disorder, causes irritability and mood swings occurring as often as several times a day, or as seldom as a few times a year.

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