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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.
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People about to have surgery must tell their health care providers about all supplements they take.
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There are 20 feet of blood vessels in each square inch of human skin.
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Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.
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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.