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Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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Your heart beats over 36 million times a year.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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