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Did you know?
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
Did you know?
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Women are 50% to 75% more likely than men to experience an adverse drug reaction.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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The familiar sounds of your heart are made by the heart's valves as they open and close.