Popeza mankhwala osokoneza bongo amachepetsa pang'onopang'ono ndi kuchuluka kwa mu vitro makulidwe, chikhalidwe cha Vicro metabolism amakhala ndi malire monga makulidwe achidule nthawi
Otsatsa omwe ali ndi chiphunzitso cha "mtundu woyamba, khulupirirani woyamba ndi woyang'anira wokalambayo" kuti awonetsetse kuti malonda abwino ndi okhazikika.