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Vaccines prevent between 2.5 and 4 million deaths every year.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
If you could remove all of your skin, it would weigh up to 5 pounds.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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