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Did you know?
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.