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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.