All of these non-opening window buildings, supposedly able to keep out all allergens and
cold/heat, plus the homes which
are sealed up
year round, or even just in the winter, are the real culprits. Ever wonder why most "cold" occur in the winter. (Nosebleeds, stuffy noses, dripping noses, etc.....) The reason is the dry dusty''unreal' atmosphere of our homes and work places.