avoid any infection and cure it sooner as it can fail all organs

Yeast prevents fungal infection: 

Simple bakers yeast can keep at bay fatal fungal infection like aspergillosis which can cause kidney and liver failure,says a new study.Aspergillosis is the leading fungal killer that attacks the lungs and can migrate to the brain.Mice injected thrice with dead bakers yeast one week apart,were able to survive high doses of Aspergillus the fungus that causes aspergillosis.