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There are 20 feet of blood vessels in each square inch of human skin.
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The human body produces and destroys 15 million blood cells every second.
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You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.