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If you could remove all of your skin, it would weigh up to 5 pounds.
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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