Flooding and damp basements can lead to mold problems. Exposure to mold can cause adverse health effects.
For a short but excellent overview of mold problems and how to deal with them, see the information sheet from the New York City Department of Health…
• Mold problems
This document also contains Web addresses/links to a number of other good sources (like the Federal Centers for Disease Control and the Environmental Protection Agency) on mold and related health problems.