Steve Levy is founder and president of Certified Mold Inspection, Inc., www.findingthemold.com, a company dedicated to the detection and prevention of microbial contaminants in your indoor environment. What are the main health consequences of mold exposure? When should you suspect that your symptoms are related to mold? What are some common sources of mold exposure in the home? Does the absence of a moldy smell rule out environmental mold contamination? What are mycotoxins? How do they undermine health? What are the best approaches to cleaning mold? When is it necessary to undertake more radical approaches, like removal of sheetrock and building materials? Should a mold inspection by a certified expert be a routine prelude to buying a home?