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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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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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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Diagram of a typical prokaryotic cell Diagram of a typical prokaryotic cell
pH values of common solutions pH values of common solutions
A cutaway view of a typical variable fuel sensor. A cutaway view of a typical variable fuel sensor.
Typical SPOUT connector as used on many Ford engines equipped with distributor ignition (DI). Typical SPOUT connector as used on many Ford engines equipped with distributor ignition (DI).
Given the values of sin θ, determine the values of θ over the interval [0, 2pi] Given the values of sin θ, determine the values of θ over the interval [0, 2pi]
The genome of a typical retrovirus is shown at the top of the diagram The genome of a typical retrovirus is shown at the top of the diagram
Video: The Nerve Impulse

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