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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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There are 60,000 miles of blood vessels in every adult human.
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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
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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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Vaccines prevent between 2.5 and 4 million deaths every year.