Are bipolar mood symptoms affected by the phase of the menstrual cycle?
Different phases of the menstrual cycle were unrelated to depression and mania in a heterogeneous group of women with bipolar disorder. Prospective studies are needed to identify a vulnerable subpopulation in a homogeneous clinical sample.
Some surveillance colonoscopy seems to be inappropriately performed and in excess of guidelines, particularly for hyperplastic polyps and low-risk lesions such as a small adenoma. These results suggest unnecessary demand for endoscopic resources.