At this point, the impact that mold has on a person’s health has been proven time and time again in a variety of studies. Mold is known to cause respiratory issues, asthma and allergic reactions. Additionally, mold has also been proven to cause chronic sinus infections, headaches, sore throats and eye irritation. Although everyone is susceptible to the dangers of mold, young children, pregnant women and elderly adults are the most at risk.