An allergy can trigger symptoms similar to a generic respiratory allergic reaction. It is an overreaction of the immune system to a substance that's harmless to most people, such as mold or pollen. Mold allergies can cause serious illness to about 12% of human population that is sensitive to mold. Mold allergies are caused by mold spores and fine fragments when inhaled by … [Read more...] about Mold Allergies