Ringworm is the most common, but others can be far more severe and difficult to treat.

By Tom Ewing

The term fungus and its plural, fungi, are used to describe any of countless, usually one-celled organisms that thrive naturally in the environment and play a valuable role in keeping planet Earth and its inhabitants thriving as well.

The countless molds, yeasts and mildews in nature are usually harmless to cats. But if she has a compromised immune system, a variety of health problems can develop.

Fungi are saprophytic organisms. That is, they derive their nourishment from inert, decaying organic matter — rotting vegetation, fecal matter, decaying animal tissue and the like. By digesting biological debris, fungi aid in its decomposition and the subsequent release of its nutrients back into the biosphere, where they can once again be useful. …

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