<prompt> Deficiency of cortisol causes:Cushing syndromeGraves diseaseAddison diseaseAcromegaly  <response>: Addisons Disease:Addisons disease results from an inability of the adrenal cortices to produce sufficient adrenocortical hormones.In Addisons disease, either glucocorticoid or mineralocorticoid deficiency may come first, but eventually all patients fail to secrete both classes of corticosteroid. 