Sometimes with environmental hazards we can feel like we know too much — like if we hear one more thing, we're going to buy a big bubble and live in it. But before you turn the page in fear of the unknown, you need to read this: These six things are easy to get rid of — so they can stop making you and your family sick.

Excerpted from Organic Housekeeping by Ellen Sandbeck (Scribner, 2006)