I feel much better about the dust on my mantle.

Apparently, the constituents of the dust around the home include dead skin cells that are shed from the human inhabitants (not such a surprise, I suppose). Interestingly, there is oil — squalene — within the skin cells that can reduce the indoor ozone pollution by up to fifteen percent (ozone is created in reactions with pollutants from cars, factories, and other industrial sources). Breathing ozone may affect lung efficiency and inflame its linings; according to the U.S. Environmental Protection Agency, chronic exposure might scar lung tissue.

It’s a good day to exfoliate…