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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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There are more bacteria in your mouth than there are people in the world.
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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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.