Not all bacteria are harmful. There are different unicellular organisms and types of bacteria. Yeast are unicellular fungi. They are used by brewers and wine-makers because they convert sugar into ...

Not all bacteria are harmful. There are different unicellular organisms and types of bacteria. Yeast are unicellular fungi. They are used by brewers and wine-makers because they convert sugar into ...

occur when one type of fungal microbe becomes too prevalent in one area of the body so that the immune system cannot defeat it. Like many microbes, there are helpful fungi and harmful fungi.