Kuphela yokugoma ingavimbela ngempumelelo nesimungumungwana. Kubantu abangavikeleki emzimbeni, ukugwema ukuxhumana nabantu abagulayo kubalulekile. Kungenzeka futhi ukuqinisa amasosha akho omzimba. Ngokocwaningo lwethu, akukho muthi wemvelo okufakazelwe ukuthi welapha isimungumungwane.

I-Vitamin A iyivithamini ebalulekile, ehlinzekwa ukudla futhi ikakhulukazi imikhiqizo yemvelaphi yezilwane (isibindi, i-offal, ubisi lonke, ibhotela, njll.). Ucwaningo oluningana emazweni asathuthuka lubonise ukuthi ukwengezwa kukavithamini A kunganciphisa izinga lokufa kwezingane ezineminyaka engu-6 kuya kwezingu-59, ikakhulukazi ngokunciphisa ingozi yohudo.⁷. I-World Health Organisation (i-WHO) incoma ukuthi "kunikezwe noma iyiphi ingane etholakale inesimungumungwane imithamo emibili kavithamini A engeza amahora angama-24 ngaphandle" ukunciphisa ubungozi bokulimala kwamehlo kanye nobumpumputhe. Ukuphathwa kukavithamini A kunganciphisa nokufa ngamaphesenti angama-50 (isilinganiso esiphansi se-pneumonia, i-bronchitis kanye nohudo). Ngo-2005, ukuhlanganiswa kwezifundo eziyisishiyagalombili, ezibandakanya izingane ezingama-8 ezineminyaka engaphansi kwengu-429, kwaqinisekisa ukuthi ukuphathwa kwemithamo emibili ephezulu kavithamini A kunciphisa ukufa kwezingane ezingaphansi kweminyaka emibili ubudala ezathola isimungumungwane.⁸.