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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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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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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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There are 20 feet of blood vessels in each square inch of human skin.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.