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Did you know?
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?
The human body produces and destroys 15 million blood cells every second.
Did you know?
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Did you know?
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.