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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Cyanide works by making the human body unable to use oxygen.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.