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There are 20 feet of blood vessels in each square inch of human skin.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
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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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The human body produces and destroys 15 million blood cells every second.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.