31 Aug '12, 11am

Early puberty? Girls exposed to household chemical menstruate earlier, CDC study finds.

Early puberty? Girls exposed to household chemical menstruate earlier, CDC study finds.

Girls exposed to high levels of a common household chemical had their first period seven months earlier than girls with lower exposures, according to new research by federal scientists. “This study adds to the growing body of scientific research that exposure to environmental chemicals may be associated with early puberty,” said lead author Danielle Buttke of the U.S. Centers for Disease Control and Prevention. Age of menarche – when a girl has her first period – has fallen over the past century, from an average of 16-17 years to 12-13 years. Experts suspect that better nutrition and rising obesity rates play a major role but some evidence also points to chemicals in consumer products that can mimic estrogen. The CDC study is the first to link dichlorobenzene and the age of girls’ first period. Dichlorobenzene, a solvent, is used in some mothballs and solid blocks of toile...

Full article: http://www.environmentalhealthnews.org/ehs/news/2012/pube...

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