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Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.