The Center for School Mold Help

Excessive indoor dampness is a public-health problem: ... sufficient evidence of an association exists between signs of dampness and upper respiratory tract symptoms, cough, wheeze, and asthma symptoms in sensitized persons; and sufficient evidence of an association exists between signs of mold and upper respiratory tract symptoms, cough, wheeze, asthma symptoms in sensitized persons and hypersensitivity pneumonitis in susceptible persons. (IOM: Damp Indoor Spaces and Health, 2004, p.327)