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Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%