%0 Journal Article %T Beneficial effect of laughter therapy on physiological and psychological function in elders %A Etsuko Ohmaki %A Hirohisa Kawahata %A Motokuni Aoki %A Ryuichi Morishita %A Toshio Ogihara %A Yoshihiro Maekawa %A Yuki Yoshikawa %J Archive of "Nursing Open". %D 2019 %R 10.1002/nop2.190 %X In the present study we investigated the effect of laughter therapy on physiological and psychological function in older people %K blood pressure %K geriatric depression scale (GDS) %K laughter therapy %K quality of life (QOL) %K serotonin %K SF©\8 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6279721/