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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.
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There are more sensory neurons in the tongue than in any other part of the body.
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Cyanide works by making the human body unable to use oxygen.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.