More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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The longest a person has survived after a heart transplant is 24 years.
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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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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
compound eye of a noctuid moth
Three bonds separate sequential α carbons in a polypeptide chain
Head of a patient with tertiary syphilis.
The tertiary structure of BPTI
compound
Determine the mass of a nonvolatile, nonionizing compound that must be added to 4.76 kg of ...