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Bob Livingstone

Bob Livingstone

LCSW and psychotherapist in private practice for almost twenty...

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Dean Ornish

Dean Ornish

Professor of medicine and best-selling author

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Bob Harper

Fitness trainer on NBC's hit show The Biggest Loser

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Q&A

If you have questions about this change, you're in the right place. Our editors, experts, and community of change optimists have answers!

VictoriaB

Question:How effective do you think air cleaners are?

Living in the city means you get way too much dirt in your home. When you run your fingers over your woodwork you wonder how much of that is getting into your lungs. I wonder though how effective air cleaners are and if they're really worth the investment. Some of them can be rather pricey.

Asked by VictoriaB on 2/7/08 Answer»