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Did you know?
Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.