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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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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
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There are more bacteria in your mouth than there are people in the world.
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The horizontal fraction bar was introduced by the Arabs.