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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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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.