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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.