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Did you know?
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.