After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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Medication errors are three times higher among children and infants than with adults.
Primates exhibit prolonged life histories, spending more time in each stage of life than most other
Both Intense and Prolonged Rainfall Can Cause Flooding
Prolonged abuse leads to production of stress hormones that can lead to a cascade of effects ...