Love your body's largest organ with these skin strategies.
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 3 and 4 are the basement, home to asbestos, radon and deadly gases that can be emitted by your furnace, and the backyard, where decks built before 2005 can contain pressure-treated, arsenic-infused wood. Learn how to detect potential toxins in your home - and how to eliminate them.
Click here to watch part 1: toxic zones 1 and 2.