Does mold affect everyone the same way?
In fact only about 20% percent of the human population is naturally sensitive to mold. However, the rest of the population can also develop sensitivity if exposed to high concentrations of mold for a long time.
Some individuals have a genetic makeup that puts them at risk for developing allergies to mold. People who have an allergy to mold, especially if they also have asthma, can become ill from exposure to a small amount of mold. Individuals also seem to be quite different in their response to exposure to the toxic chemicals that some molds release. These differences between individuals contribute to the difficult question of determining safe exposure limits for mold