Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Color-enhanced CT scan showing two malignant tumors in the brain.
False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth.
Temperature and Color
Color mixtures of refracted light—additive process.