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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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