Sau da yawa ana amfani da azumi a matsayin hanya mai inganci don rage kiba, amma kuma yana taimakawa jiki yaƙar cututtuka. Yin azumi na kwanaki biyu kawai yana ba da damar ƙwayoyin rigakafi su sake farfadowa, suna taimakawa jiki yaƙar kamuwa da cuta.
Masana kimiyya a Jami'ar Kudancin California sun gwada tasirin 2-4 na azumi a cikin berayen da mutane a cikin kwasa-kwasan tsawon watanni shida. A lokuta biyu, bayan kowace hanya, an rubuta raguwar adadin fararen jini a cikin jini. A cikin beraye, sakamakon zagayowar azumi, an ƙaddamar da tsarin sake haifuwa na farin jini, don haka dawo da hanyoyin kariya na jiki. Walter Longo, farfesa na ilimin gerontology da kimiyyar halitta a Jami’ar Kudancin California, ya ce: “Azumi yana ba da haske mai haske don ƙara yawan ƙwayoyin da ke da ƙarfi, yana maido da tsarin gaba ɗaya. Abin farin ciki shi ne, lokacin azumi, jiki yakan kawar da tsofaffin kwayoyin halitta masu lalacewa.” Binciken ya kuma nuna cewa azumi yana rage samar da sinadarin IGF-1, wanda ke da alaka da hadarin kamuwa da cutar daji. Wani karamin gwajin gwaji na gwaji ya gano cewa yin azumi na sa'o'i 72 kafin maganin chemotherapy ya hana marasa lafiya zama masu guba. "Yayin da ilimin chemotherapy yana ceton rayuka, ba wani asiri ba ne cewa yana da tasiri mai mahimmanci akan tsarin rigakafi. Sakamakon binciken ya tabbatar da cewa azumi na iya rage wasu illolin da ke tattare da cutar sankarau,” in ji Tanya Dorff, mataimakiyar farfesa a fannin likitanci a Jami’ar Kudancin California. "Ana buƙatar ƙarin bincike na asibiti akan wannan batu kuma irin wannan saƙon abinci ya kamata a yi shi kawai a ƙarƙashin jagorancin likita."