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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?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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