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The average office desk has 400 times more bacteria on it than a toilet.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.