More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.
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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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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
