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Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

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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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For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

A typical injector-pump-type automotive diesel fuel injection system. A typical injector-pump-type automotive diesel fuel injection system.
A cutaway view of a typical variable fuel sensor. A cutaway view of a typical variable fuel sensor.
Wiring diagram of a typical Ford electronic ignition. Wiring diagram of a typical Ford electronic ignition.
A typical good oxygen sensor waveform as displayed on a digital storage oscilloscope. Look for ... A typical good oxygen sensor waveform as displayed on a digital storage oscilloscope. Look for ...
Typical bacterial population growth curve showing the initial lag phase Typical bacterial population growth curve showing the initial lag phase
Typical leaf structure of eudicots (left) and monocots (right). Typical leaf structure of eudicots (left) and monocots (right).
Video: Fractures Animation

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