About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Checkpoints in the cell cycle.
cell
Cell-Cell junctions/Attachments
Characteristics of a Eukaryotic Cell
For a differential white blood cell count, (A) the slide is examined under oil immersion. (B) Cells ...
Surface molecules involved in the interaction between an antigen-presenting cell and a CD4+ T cell.