Zvigadzirwa zvinopa hutano hwevanhu. Sekureva kweWHO, zvigadzirwa izvi zvinofanirwa kuwanikwa "nguva dzese, nehuwandu hwakakwana, mumhando dzakakodzera dzemuyero, zvine hunhu hwakakwana uye ruzivo rwakakwana, uye nemutengo unogona kutengwa nemunhu nenharaunda".

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