News and politics for the city of Jacksonville (FL), Florida, and the United States. Though I am a Libertarian/Socialist, my hope is to be as objective as possible in delivering news that should be important to you. In addition, this website can be useful for researching important moments in history. From the dawn of civilization to the present day, this website provides a plethora of valuable links for your research needs.
Important Moments in History
▼
Thursday, April 28, 2011
Girls Hit Puberty Earlier than Ever; Doctors Unsure Why
About 15% of American girls now begin puberty by age 7, according to a study of 1,239 girls published last year in Pediatrics. One in 10 white girls begin developing breasts by that age - twice the rate seen in a 1997 study. Among black girls, such as Laila, 23% hit puberty by age 7.
No comments:
Post a Comment