“…Increased adrenal cortical activity has been noted in response to hospitalization , anticipation of laboratory procedures (Mason, 1959;Persky et al, 1959), thoracic surgery (Price et al,, medical exams (Bliss et al, 1956), psychiatric interviews (Hetzel et al, 1955;Oken et al, 1960;Persky et al, 1958), pursuit-meter operation and psychological tests (Freeman et al, 1944;Korchin and Herz, 1960), motor-car driving (Frost et al, 1951;Hill et al, 1956), participation in flying activities (Craven and Smith, 1955;Male et al, 1958;Colehour, 1964), or in intense combat action (Elmadjian, 1955;Pace et al, 19-56), whereas viewing Disney nature-study films actually lowered the 17-hydroxycorticosteroids in plasma (Handlon et al, 1962).…”