Mold is a naturally occurring fungus that grows both indoors and outdoors ... If exposed to mold, you may experience sinus congestion, a skin rash, and, in some cases, trouble breathing.
This is an image of the hyphae, or threads, and fruiting bodies of an Aspergillus fungus. The tubelike ... Aspergillus is a common mold that grows on all sorts of organic matter. This specimen was ...