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Did you know?
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.