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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Magnetic resonance imaging (MRI). The MRI lab includes the scanning instrument and a computer statio Magnetic resonance imaging (MRI). The MRI lab includes the scanning instrument and a computer statio
Good computer skills are now required to be a successful member of an office staff. Good computer skills are now required to be a successful member of an office staff.
Typical computer-controlled diesel engine fuel injectors. Typical computer-controlled diesel engine fuel injectors.
All computer systems perform four basic functions: input, processing, storage, and output. All computer systems perform four basic functions: input, processing, storage, and output.
A replaceable PROM used in an older General Motors computer. Notice that the sealed access panel ... A replaceable PROM used in an older General Motors computer. Notice that the sealed access panel ...
Computer Models Computer Models
Video: Simple Diffusion - Ion transport

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