CHANGES OF IMMUNOREGULATORY CELLS ASSOCIATED WITH PSYCHOLOGICAL STRESS AND HUMOR

For 8 medical students influences of psychological stress or humor on T-cell subset percentages and natural killer cell activity were invest igated by measuring these parameters before and after an examination a nd before and after watching a comedy video. Although T-cell subsets w ere nor significantly affected by either stimulus and natural killer c ell activity was not affected by the examination. the latter was signi ficantly decreased after watching the comedy video.