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Did you know?

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

Did you know?

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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There are more nerve cells in one human brain than there are stars in the Milky Way.

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

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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

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Video: Major Elements in Biological Molecules: Carbohydrates

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