Curiositities about the world !: In 2004, a study shows that one in six girls enter puberty at age 8 years. After a century, only one girl in 100 reached puberty at that age.

Monday, November 25, 2013

In 2004, a study shows that one in six girls enter puberty at age 8 years. After a century, only one girl in 100 reached puberty at that age.

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