Palin did not disclose an exact diagnosis for her condition, though she noted that she underwent a CT scan, numerous tests and was prescribed steroids and other medications. She said her doctors speculated she may have a case of Bell's palsy, a type of temporary facial paralysis, induced by "stress or lack of sleep."

Bristol Palin is suffering from facial paralysis, and doctors believe it might be caused by Bell’s palsy. “I woke up nine days ago with a little weird sensation in my face. My mouth was pulling this way,