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Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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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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There are more sensory neurons in the tongue than in any other part of the body.
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The average adult has about 21 square feet of skin.