Rodent Control in Crawl Spaces: Tips for a Healthy Home Research shows that rodents can spread over 35 types of diseases, 17 of which are extremely dangerous to humans. These little critters are not only a nuisance in your home, they are a danger to your health and the health of your family. https://crawlspaces.com/rodent-control-in-crawl-spaces-tips-for-a-healthy-home/