hey man people live in houses where deadly mold spores float through the air for YEARS from flooding and thats high concentrations of it, over time it will cause lung cancer and other breathing problems. but if theres any mold in that weed its so0o0o small that one inhalation would be knocked out so fast by his immune system, if its even harmful to humans. unless your imuno supressed (aids or organ transplant) youll be fine thats why are bodys have an immune system. if its even mold.