Iris Harden knew that something in her Harlem, Georgia house was making her sick. "I wasn’t educated. I didn’t know it was mold," she says. "All I knew was that something in that house was doing it to me." She had a good idea of the cause after environmental testing found elevated levels of mold spores in her kitchen and bedroom. Her discomfort, headaches and a burning sensation around her eyes became so acute that she had to move out of the house.