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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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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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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

The four ways in which animals exchange heat with the environment are radiation, evaporation, convec The four ways in which animals exchange heat with the environment are radiation, evaporation, convec
Shope’s Model of Young Driver Crash Risks The model shows that many factors contribute to crash ris Shope’s Model of Young Driver Crash Risks The model shows that many factors contribute to crash ris
Selective pressures from the environment influence adaptation Selective pressures from the environment influence adaptation
Environmental ethics pertains to humans and the environment Environmental ethics pertains to humans and the environment
Prepare for weekend plans when hours feel like minutes Prepare for weekend plans when hours feel like minutes
Producer acquiring energy and nutrients from the environment Producer acquiring energy and nutrients from the environment
Video: The Lagging Strand in DNA Replication and Replication in Action

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