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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 nerve cells in one human brain than there are stars in the Milky Way.
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Medication errors are three times higher among children and infants than with adults.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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The average office desk has 400 times more bacteria on it than a toilet.