Unpleasant though they may be, every house has dust mites. Because they feed off dead skin cells, dust mites can thrive in any plush surface that can hold tasty particles, whether carpet, upholstery, bedding, or kids' toys. While you can’t completely eliminate mites, you can keep their population down by practicing routine cleaning. Wash bedding in hot water at least once a week, and vacuum carpets and furniture regularly. To remove dust mites from plush toys or delicates you’d rather not wash, look to your freezer. Seal the items in a ziplock bag, and place the bag in the freezer for at least 48 hours—dust mites won’t survive a deep freeze.