Iyo inonziwo "zvinodhaka zvinodhaka", placebos ine mhedzisiro ye kurapa pasina, zvisinei, ine chero inoshanda musimboti inobvumira kuporeswa. Shuga manyuchi, hupfu capsule, nezvimwewo, zvimiro zvavo uye mharidzo dzakasiyana asi zvese zvine mashiripiti akafanana: vanoita muuropi kugadzirwa kwe endorphins, mahomoni emufaro nekuzorodza. 

Kutora painkiller uye kunzwa zviri nani kana yangomedzwa, uchiziva kuti zvinotora hafu yeawa kuti muviri uigamuchire uye wobva waita kuti ishande, ndizvo zvinodaidzwa kuti placebo effect. .