Remember the other day when we talked about skin? Remember when we said that the top layer of the epidermis is actually dead skin cells that fall off all the time as a way of protecting you? Well, that leads us to this wonderfully gross fact:
80% of dust is actually human skin cells.
Sort of makes you want to clean stuff, huh? Bust out those vacuums.
Your parents will thank you.
And hopefully that case of the heebiejeebies you just got will subside.
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