It's your sanctuary from the outside world, but would you know if your home sweet home was making you sick? Dr. Oz welcomes contractor Mike Holmes to reveal the 4 most toxic rooms in your house. Zones 1 and 2 are the bathroom, which can harbor hazardous mold, and the family room, where lead paint can threaten the health of your family. Learn how to detect potential toxins in your home - and how to eliminate them.
Click here to discover toxic zones 3 and 4.