“…This led to the correlative hypothesis that in the functional psychoses pyknics have a better prognosis than do asthenics. Studies that report morphological differences in outcome for mental disorders have usually stressed the better prognosis for patients of pyknic than for those of asthenic habitus (22,25,53,56,79,83,84,95,96,104,112,163), but some investigators have failed to find any relationship between outcome and body type (98,104,133,183) or have found the "pyknotic" unfavorable (105).…”