The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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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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The average office desk has 400 times more bacteria on it than a toilet.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
The Secondary Mirror Does Not Create a Hole in the Image
Secondary intravenous lines: (a) a tandem intravenous alignment
When checking a waste spark-type ignition system, check that the secondary wires are attached to the ...