Dust bunnies may be toxic: Researcher advises vacuuming often House dust can contain many different environmental toxins.
Where does all the dust come from? ASK A RESEARCHER: The dust floats and falls. It settles on all surfaces. You wipe your surfaces and vacuum, but it comes back. In huge quantities. Everywhere. Where does it come from?
Road traffic pollution gives children asthma But children in rural areas face other allergens that can trigger the disease.