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Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Medication errors are three times higher among children and infants than with adults.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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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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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.