“…Specifically, we found that for individuals whose SIgA levels decreased, the changes were consistent with those of individuals watching a sad video in the study by Labott et al [11] . As for the individuals whose SIgA levels increased in the present study, the changing tendency of SIgA patterned liked those who accomplished the active coping task in other studies [30,35,36] . Although the difference in baseline SIgA concentration between the two groups reached marginal significance, we compared the two groups on their relative change in SIgA concentration levels before and after presentation of the stimuli.…”