One purpose of stem cell research is to find new ways of treating illnesses. But this field of research has been a subject of much controversy because the process of extracting embryonic stem cells essentially destroys the embryo.
Tüviraku - uuringute üks eesmärke on leida uusi ravimeetodeid, ent see teadusvaldkond on tekitanud palju poleemikat, sest embrüost tüvirakkude eraldamisega embrüo tegelikult hukkub.