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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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The human body produces and destroys 15 million blood cells every second.
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The average office desk has 400 times more bacteria on it than a toilet.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.