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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
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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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.