The elevation of natural killer cell activity induced by laughter in a crossover designed study.

@article{Takahashi2001TheEO,
  title={The elevation of natural killer cell activity induced by laughter in a crossover designed study.},
  author={Kyoko C Takahashi and Mitsunori Iwase and Koh Yamashita and Yoshihiro Tatsumoto and Hidetoshi Ue and Hirohiko Kuratsune and Atsuya Shimizu and Masatoshi Takeda},
  journal={International journal of molecular medicine},
  year={2001},
  volume={8 6},
  pages={645-50}
}
The elevation of natural killer cell activity (NKCA) by laughter was not confirmed due to incomplete methodology of previous studies although positive emotion is believed to be favorable for health. To verify NKCA elevation by laughter in a crossover design, we measured NKCA before and after watching films, presenting 75-min comic film and non-emotional… CONTINUE READING