An expert on air quality talks about the hidden dangers inside our homes and offers some helpful tips on what you can do to reduce your exposure.

We all know about the decades-long battle to improve air quality outdoors, but Stanford environmental engineer Lynn Hildemann says that while much progress has been made in that regard, it may have caused us to look past the pollutants in our own homes.

Hildemann, who studies air pollution and its effects inside and outside the home, says that chemicals and microparticles from cooking, furniture, carpets, cleaning products and good-old household dust represent the latest air quality battleground. She says it’s such a big concern because most Americans spend some 90 percent of their lives indoors.

Hildemann offers a few small steps we can all take to improve air quality at home. Using the ventilation hood when cooking is a great first step. Opening the windows whenever possible is another. And, opting for easily cleanable hardwood floors over carpet can help, too.

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