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People about to have surgery must tell their health care providers about all supplements they take.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Vaccines prevent between 2.5 and 4 million deaths every year.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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