(CNN)Inthefuture,itmightbepossibletopreventinheritedillnessesbymakingachangetoasinglefaultygene.Thatwasrecentlydemonstratedinanewstudy.Forthefirsttime,scientist
Precise"chemicalsurgery"hasbeenperformedonhumanembryostoremovediseaseinaworldfirst,ChineseresearchershavetoldtheBBC.TheteamatSunYat-senUniversityusedatechniquec
ScientistshavesuccessfullyalteredapieceofdefectiveDNAinhumanembryostopreventthemfromdevelopingheartdisease.It'sthefirsttimeamutationthatcausesacommoninheriteddi