Cell-mediated immune hypersensitivity is stronger in the left side of the body than the right in healthy young subjects

More frequent appearance of herpes zoster infection on the left side of the body has been noted, In women, breast cancer occurs more frequently on the left side. It has been Suggested that the left neocortex is involved in ne uroimmuno-modulation via the dopaminergic system. In this study, our purpos e was to investigate the possible difference in cell-mediated hypersensitiv ity between right and left body sides using the tuberculin test with 22 mal e and 36 female healthy high school students. In the present Study, the cel l-mediated hypersensitivity was higher in the left side of the body than th e right, This difference was slightly more apparent in the girls and may be related to brain asymmetry in neuroimmunomodulation.