Mold is tiny and it can be everywhere, we couldn’t see the mold by the eyes, but don’t overlook it!
Generally speaking, the immune system of a healthy human body can remove most of the pollen, dust mites, dust, mold spores. that enter the lungs through breathing. People (such as: AIDS, diabetes patients….), inhalation of mold spores may cause some diseases, such as pulmonary aspergillosis, the spores inhaled in the lungs grow out of mycelium in the lungs (Fungal ball), and then have obvious symptoms similar to tuberculosis, coughing up blood and losing weight.