Blood is approximately twice as thick as water because of the cells and other components found in it.
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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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Cyanide works by making the human body unable to use oxygen.
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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
