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Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

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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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Human immunodeficiency virus gains entry into helper T cells, uses the cell DNA to replicate, interf Human immunodeficiency virus gains entry into helper T cells, uses the cell DNA to replicate, interf
A variable valve timing solenoid being controlled by applying voltage from the PCM. A variable valve timing solenoid being controlled by applying voltage from the PCM.
A typical output driver. In this case, the PCM applies voltage to the fuel pump relay coil to ... A typical output driver. In this case, the PCM applies voltage to the fuel pump relay coil to ...
Open and closed comedones of acne Open and closed comedones of acne
Meander Loop on the Colorado River Meander Loop on the Colorado River
An unpaired loop at synapsis An unpaired loop at synapsis
Video: Cell mediated immune response to a viral infection Animation

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