Green Buckeye RN


Wall Street Journal: Girls Hit Puberty at Younger Ages
August 9, 2010, 2:12 pm
Filed under: News

By SHIRLEY S. WANG
New research adds further evidence that girls are entering puberty at younger and younger ages, with implications for their physical and mental health.

By 8-years-old, more than 1-in-10 girls have already begun developing breasts, which marks the technical start of puberty for girls, according to a new study published Monday in the journal Pediatrics.

The findings varied by race. Among 7-year-olds, about 10% of whites, 15% of Hispanics and 23% of blacks have some breast tissue. Among 8-year-olds, the numbers grew to 18% of whites, almost a third of Hispanics and half of blacks.

The researchers, from the University of Cincinnati College of Medicine, Mount Sinai School of Medicine in New York and Kaiser Permanente in San Francisco, were surprised by how early the onset of puberty was in the study, which looked at 1,239 girls.

Read further at http://online.wsj.com/article/SB10001424052748704268004575417442626829952.html

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