The latest generation of girls are reaching puberty before the age of 10, a new study suggests, raising fears they may also begin sexual activity earlier.
I would like to know why... I think hormones in meat and milk play a role.
Chemicals like BPA and it's relatives, like bisphenol AF are likely culprits:
http://www.sciencemag.org/cgi/content/f ... /5840/884a
Science 17 August 2007:
Vol. 317. no. 5840, pp. 884 - 885
ENDOCRINE DISRUPTERS:
Controversy Continues After Panel Rules on Bisphenol A
Jocelyn Kaiser
Since then, other scientists have reported low-dose effects in rodents. Some findings have raised alarms, such as an increase in chromosomal abnormalities in the eggs of mice, discovered after bisphenol A leached from plastic mouse cages (Science, 4 April 2003, p. 31). Epidemiology studies have linked bisphenol A and human health problems, such as breast cancer and early puberty.
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SS109 wrote: And doesn't it seem like girls now develop much faster too?
Could be... or it could just be cultural differences in dress and demeanor! I remember graduating high school and looking back at the kids there while I was in college and thinking "Man... I don't remember girls in my class dressing/acting like that!"
I mean, this is a chemical/physical change that we're talking about, but I also think a lot of the "look" that goes along with it is sociologically-driven... Even if they weren't maturing earlier, they may still appear to develop faster.
I remember when they said that it used to be one girl reaching menses in 4th grade and then it was 3 girls. I believe that was in the 70's or 80's. I know my son started growing underarm hair in 5th grade and had his first wet dream then.
I don't like how the kids dress so sexily now, either. My son is a counselor at a Quaker school and the girls cannot show cleavage. They look nice.
I definitely know I wasn't a sexy dresser: It was Peter Pan collars, skirts that were below the knee.
I watched Karate Kid and even though that was in the late 70's/early 80's (I guess) they looked more wholesome than the girls today.
Of course, I laugh at the boys with their hair swept forward and in their eyes. Always trying to be different, yet ending up the same.