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Did you know?
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
Did you know?
No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.