Mold Toxicity What Is Mold Toxicity? Mold toxicity is often underestimated, yet it can have serious health effects if exposure continues over time. Mold is a type of fungus that thrives in warm, damp environments , making it common in homes, workplaces, and outdoor spaces. Mold reproduces by releasing microscopic spores into the air . These spores can be inhaled or come into contact with the skin, potentially triggering a range of health symptoms in sensitive individuals. Bec