CBS news is reporting on a new study finds that people with migraines who also are depressed have smaller brains. "Our study suggests that people with both migraine and depression may represent a unique group from those with only one of these conditions," study author Dr. Larus S. Gudmundsson, a researcher at the National Institute on Aging and the Uniformed Services University of the Health Sciences, in Bethesda, Md., said in a news release.