There are more nerve cells in one human brain than there are stars in the Milky Way.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.
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There are 20 feet of blood vessels in each square inch of human skin.
Large-scale impacts of the (a) positive, and (b) negative phases of the North Atlantic Oscillation.
The Geologic Time Scale
An electronic scale.
Four-point scale for grading edema
Glasgow Coma Scale (1 of 2)
The Scale of the Very Small and Very Large: Powers of 10