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There are 20 feet of blood vessels in each square inch of human skin.
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There are more sensory neurons in the tongue than in any other part of the body.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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Your heart beats over 36 million times a year.
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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.