What is in my house that is burning my eyes and nose?

— Seth Hirt Rockdale, TX

Answered by David Willson on April 18, 2013

Can gasses from a memory foam mattress have an effect on fertility?

— Milla San Diego, CA

Answered by Kirsten Flynn on April 8, 2013

What are least toxic reasonable substitutes for drywall repair job?

— Jeff Manhattan Beach, CA

Answered by Sean Lintow Sr on March 22, 2013

Is joint compound toxic? We are using in babies room.

— Jennifer Wakefield, MA

Answered by Sean Lintow Sr on March 22, 2013