Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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There are approximately 3 million unintended pregnancies in the United States each year.
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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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The FDA recognizes 118 routes of administration.
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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.