Look for any visible signs of mold growth. It often appears as discolored patches, usually green, black, or white -- on walls, ceilings, or other surfaces. Look for fuzzy or slimy textures and musty odors, especially in areas prone to dampness. 

Mold thrives in moist environments, so check for signs of water damage or leaks. Areas with poor ventilation are particularly susceptible. Before attempting to remove mold, protect yourself by wearing gloves, goggles, and a mask to avoid inhaling spores. Open windows to ensure proper ventilation.

Since mold needs moisture to grow, fixing any water issues is crucial. Repair leaks, improve ventilation, and reduce humidity levels with dehumidifiers or proper air circulation.

If mold growth is found in a small area, you can probably clean it yourself. Use water and detergent to scrub the surface thoroughly. For tougher mold, consider using a mixture of vinegar and water or a commercial mold cleaner. If using vinegar, never mix it with bleach, as this can create a harmful chlorine gas. Fully dry the area afterward.

For extensive mold growth or if you have respiratory problems, it is best to consult a professional mold remediation service. They have the expertise and equipment to handle larger-scale remediation safely.

In conclusion, mold is a common problem that can have detrimental effects on both your home and your health. Being proactive inidentifying mold issues is vital. Not only for health reasons, but when you sell your home, the presence of mold can be a real issue for the buyer. And any knowledge of mold must be disclosed to the buyer.