According to an EPA website last updated April 30th:

“Many symptoms and human health effects attributed to inhalation of mycotoxins have been reported including: mucous membrane irritation, skin rash, nausea, immune system suppression, acute or chronic liver damage, acute or chronic central nervous system damage, endocrine effects, and cancer.”

The EPA added, “it is clearly prudent to avoid exposure to molds and mycotoxins.”

Full article – http://www.commondreams.org/archive/2008/07/05/10092/