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Author Question: If a convex lens were made out of very thin clear plastic filled with air, and were then placed ... (Read 220 times) |
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Cyanide works by making the human body unable to use oxygen.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
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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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More than 4.4billion prescriptions were dispensed within the United States in 2016.