Even if you don’t have an obvious allergy, we should all be concerned about mold in the home.
Mold is actually a fungus that grows on damp surfaces with some sort of food source (like drywall or soap on caulking). There are many different types of mold in a range of colors and appearances, but they all release tiny spores that we breathe in and can react to.
The key to preventing mold growth is to remove sources of moisture. Here are some ideas - How to Prevent Mold