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Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Heart Anatomy Model Heart Anatomy Model
Coronary stent. Illustration of an angiogram revealing a coronary stent, which helps prevent closure Coronary stent. Illustration of an angiogram revealing a coronary stent, which helps prevent closure
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Income per Capita versus Total Fertility Rate Income per Capita versus Total Fertility Rate
Video: Embryonic development - Week 3

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