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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.

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About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

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Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

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To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
(A) Bronchopneumonia with localized pattern. (B) Lobar pneumonia with a diffuse pattern within the l (A) Bronchopneumonia with localized pattern. (B) Lobar pneumonia with a diffuse pattern within the l
Map of the Moon by Johannes Hevelius from his Selenographia (1647), the first map to include the lib Map of the Moon by Johannes Hevelius from his Selenographia (1647), the first map to include the lib
The most commonly used socket drive sizes include 1/4, 3/8, and 1/2 inch drives. The most commonly used socket drive sizes include 1/4, 3/8, and 1/2 inch drives.
Video: Embryonic development - week 1 and 2

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