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.


Exactly How to De-Escalate Aggression From a Stranger

Follow security Expert Bill Staton's important advice to keep yourself safe.

Have you ever had a tense interaction with a stranger in public? Perhaps your shopping carts accidentally knocked into each other or there was a misunderstanding in communication and the other person gets angry. You may wonder how you can de-escalate the aggression and exit the situation safely. So security expert Bill Stanton has your go-to advice for staying alert and protecting yourself in the face of verbal aggression and physical attacks.

THE INITIAL INTERACTION

Bill Stanton: "It always starts with something small, like someone being too close to you, or even more common, you get bumped by a shopping cart. You want to look at their eyes first -it may reveal emotional changes. But you can't rely on just that. Look at what their trunk is doing; a person's torso will reveal their intent. Body language like raising hands, heightened expression, tense shoulders — these are natural responses to a person who is feeling threatened and will escalate. They may begin to zero in on the space between you and them, and their voice will get louder and louder. You want to read this before it gets further and becomes explosive."

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