Satratoxin G from the black mold Stachybotrys chartarum evokes olfactory sensory neuron loss and inflammation in the murine nose and brain.

https://www.ncbi.nlm.nih.gov/pubmed/16835065 Comment; Good study on the harms from even a single dose, but also lower doses given repetitively over a period of time and how it alters gene expression of nerve cells involved in the sense of smell. These nerves take a...