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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

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Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

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The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Attributed to Apollodorus, Column of Trajan, Rome. Attributed to Apollodorus, Column of Trajan, Rome.
Multiple urinary calculi. Multiple urinary calculi.
Drugs Used to Treat Multiple Sclerosis Drugs Used to Treat Multiple Sclerosis
Absorption column with all inlet and outlet feeds Absorption column with all inlet and outlet feeds
Prove the following arguments using the two-column format. Prove the following arguments using the two-column format.
Video: Introduction to Autism

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