Barashda maskaxda iyo jirka bini'aadamka, sida kuwani u shaqeeyaan, iyo sida ay u falgalaan-ma aha oo kaliya midba midka kale laakiin sidoo kale deegaanka ay ku nool yihiin-ayaa muhiimad weyn u leh hubinta caafimaadka aadanaha. Cilmi-baadhis ku saabsan daawaynta suurtagalka ah iyo dawooyinka ka hortagga ah ayaa si weyn u balaariyay horumarinta dawooyinka casriga ah, iyo isku-xidhka culuumta, oo ay ku jiraan qaybaha sida genetics, cilmi nafsiga (psychology), iyo nafaqada, ayaa ujeeddadoodu tahay in ay fududeeyaan horumarinta caafimaadkeena.
