Amafayela akuDrayivu ayimfihlo, kuze kube yilapho unquma ukwabelana ngawo. Ungakwazi ukumema abanye ukuthi babuke, babeke amazwana, futhi bahlele noma yiliphi ifayela noma ifolda oyikhethayo. Ukuhlanganyela ku-inthanethi okwenziwe lula. igama elithi "" umcikizi "", elalisetshenziswa kusukela ekuqaleni kwekhulu le--17 (ukubhalwa kwalo kokuqala kusukela ngo--1613), lalisho ""umuntu ocikizayo"": umuntu oqaqulula izibalo, ngaphambi kokuba izicikizi zamazuba zitholakale ezitolo. u-- alan turing wachazisa ""isicikizi esingumuntu"" njengomuntu ""okufanele alandele imithetho engaguquki; akanalo igunya lokuchezuka kuyo nganoma iyiphi imininingwane.""  amathimba abantu, ngokuvamile abesifazane kusukela ekupheleni kwekhulu leshumi nesishiyagalolunye kuya phambili, ayesetshenziselwa ukwenza izibalo ezinde futhi ezivame ukukhathaza; umsebenzi wahlukaniswa ukuze lokhu kwenziwe ngokuhambisana. izibalo ezifanayo zazivame ukwenziwa ngokuzimela ngamaqembu ahlukene ukuze kuhlolwe ukunemba kwemiphumela. Balance ingahluka HbA kokubili ngezansi nangaphezulu kuyinsakavukela. Kunoma yikuphi, lokhu kuholela imiphumela engemihle. Lapho kukhona ukwehla HbA syndrome sokugembula ngezansi kuyinsakavukela, okuthiwa "yensimbi ukuntula anaemia". Sachaza ukucobeka, ukungabi namandla, nokuntula usizo. Kubathinta kabi isimiso sezinzwa, kuyingozi ikakhulukazi izingane, njengoba kunjalo ngokuvamile imbangela ukubambezeleka ekuthuthukiseni psycho-motor.