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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.