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In 1864, the first barbiturate (barbituric acid) was synthesized.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.