Interesting Mold Article...

http://realestate.usnews.com/real-estate/articles/is-your-home-a-death-trap-how-mold-affects-your-health-and-your-homes-value/

Yes it is interesting they also tell you not to buy a home in the post closed on the place

("seller’s mold issue.”
Whether you’ve lived there for decades or you haven’t even closed on the place yet, evidence of mold can trigger dozens of questions. To avoid getting lost in the details, ask a few simple questions to help you get to the root of the cause, figure out how to fix the problem and how to move forward. ")
All homes have mould The proper thing to do is just control it by maintain proper Humidity levels and normal good house cleaning .

You cannot control mold after it has made the home sick. The mold has to be properly removed.