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Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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The average adult has about 21 square feet of skin.
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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
Did you know?
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.