A friend whose family member has come down with pneumonia told me he is considering hiring a company to clean out the heating-system ductwork at his home. Could the ducts be the cause of the sickness?

It turns out that lots of folks are under the impression that cleaning ducts will prevent health problems. Tell your friend that before he hires a company, especially one offering a rock-bottom, too-good-to-be-true price, he should read "Scam Alert: Avoid 'Dirty' Duct Cleaners."