- 著者
-
伊丹 仁朗
昇 幹夫
手嶋 秀毅
- 出版者
- 一般社団法人日本心身医学会
- 雑誌
- 心身医学 (ISSN:03850307)
- 巻号頁・発行日
- vol.34, no.7, pp.565-571, 1994-10-01
- 被引用文献数
-
9
This experiment was conducted to clarify the influence of laughter on the immune system. Nineteen volunteer subjects were taken to a variety theater to experience laughter for three hours. Blood samples were taken from the subjects immediately before and after the performance. The NK activity and CD 4/8 ratio of these blood samples were examined. Without exception, in those subjects with NK activity levels which were below average before the performance, there was a significant increase in these activity levels, and in the CD 4/8 ratiosimmediately after the performance (p<0. 05,Wilcoxon's rank-sum test). In all the subjects who had CD 4/8 ratios that were above the standard level immediately before the performance, there was a significant decrease of these ratios immediately after the performance (p<0. 05,t-test). From these findings it is concluded that laughing increases the NK activity of people whose ac- tivity levels are below average and normalizes the CD 4/8 ratios of people whose ratios are above or below the standard levels.