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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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There are approximately 3 million unintended pregnancies in the United States each year.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

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