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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
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There are more sensory neurons in the tongue than in any other part of the body.
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There are 20 feet of blood vessels in each square inch of human skin.