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Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.


