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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.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

