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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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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

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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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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Gram-positive and Gram-negative bacteria. Gram-positive and Gram-negative bacteria.
Negative feedback as a mechanism by which homeostatic control systems operate. Negative feedback as a mechanism by which homeostatic control systems operate.
negative feedback negative feedback
Negative feedback loops affecting hypothalamic and anterior pituitary tropic hormones. Negative feedback loops affecting hypothalamic and anterior pituitary tropic hormones.
Positive and Negative Reinforcement Positive and Negative Reinforcement
In the drawing of acetaldehyde, CH3CHO, the largest partial negative charge (-) occurs on In the drawing of acetaldehyde, CH3CHO, the largest partial negative charge (-) occurs on
Video: Ionic bonds - role of ions in the body

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