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Your heart beats over 36 million times a year.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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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.