Sai kawai alurar riga kafi iya iya hana kyanda. A cikin mutanen da ba su da rigakafi, guje wa saduwa da marasa lafiya yana da mahimmanci. Hakanan yana yiwuwa a ƙarfafa tsarin garkuwar jikin ku. Bisa ga bincikenmu, babu wani magani na halitta da aka tabbatar yana maganin kyanda.

Vitamin A wani muhimmin bitamin ne, wanda abinci ke bayarwa da kuma musamman kayayyakin da suka samo asali daga dabbobi (hanta, na cikin gida, madara, man shanu, da sauransu). Wani bincike da aka gudanar a kasashe masu tasowa ya nuna cewa karin sinadarin bitamin A zai iya rage yawan mace-macen yara masu shekaru 6 zuwa watanni 59, musamman ta hanyar rage kamuwa da cutar gudawa.⁷. Hukumar Lafiya ta Duniya (WHO) ta ba da shawarar “kulawa da duk wani yaro da aka gano yana da cutar kyanda allurai biyu na kariyar bitamin A awanni 24” don rage haɗarin lalacewar ido da makanta. Gudanar da bitamin A kuma zai rage mace -mace da kashi 50% (ƙananan ƙwayar cutar huhu, mashako da gudawa). A cikin 2005, haɗaɗɗen karatu 8, wanda ya shafi yara 429 'yan ƙasa da shekaru 15, ya tabbatar da cewa gudanar da allurai biyu na bitamin A yana rage mutuwar yara' yan ƙasa da shekara biyu waɗanda suka kamu da cutar kyanda.⁸.