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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?
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.