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Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
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There are 60,000 miles of blood vessels in every adult human.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.