"Using this group as a comparison group takes into account possible genetic or lifestyle factors associated with present or previous psychiatric disorders, " the researcher notes.
Given the relative paucity of sources, her account of the first Christian millennium is bare-boned by comparison, concentrating on theology and imperial history.
So when we demand social justice from those greedy top ten percent that have been hogging more than their fair share of growth, how do we account for the many people that appear on both sides of the comparison?