Concerns about mould growing in houses are on the increase, claim mycologists in France. Sandrine Roussel, from the University Hospital of Besancon (France), and colleagues studied 500 rooms in 128 houses across France. The team found that mold buildup was most reliably correlated to factors such as the floor the room was located on, lack of effective ventilation systems, types of heating systems used and past water damage. . . . (to read the remainder of this article, please log in below.)