From Charleston Gazette:

Women exposed to higher levels of the toxic chemical C8 were more likely to have experienced menopause,according to a new West Virginia University study that offers some of the strongest evidence to date that such chemicals disrupt the human body’s natural hormone system.

The study found an association between chemicals called perfluorocarbons, or PFCs, in women’s blood and the onset of menopause. It also found that higher levels of the chemicals appeared related to lower levels of estrogen.

“I think this is major,” said Sarah Knox, lead author of the study and a professor at the WVU School of Medicine’s Department of Community Medicine. “It shows that early menopause is associated with PFC exposure.”

The study, published last week by the Journal of Clinical Endocrinology & Metabolism, looked at data for nearly 26,000 to compare their menopausal status with the concentration of PFCs and estrogen in their blood. The women were all within the ages of 42 and 64, the typical period when women experience menopause.

It is the largest study ever done on effects of these chemicals on the hormone systems of human women.

After controlling for age and other factors, Knox and her colleagues found that women within the group studied were more likely to have experienced menopause if they had higher levels of PFCs in their blood than women with lower concentrations of the chemicals.

Premature menopause has been found to be linked to a variety of health problems for women, including death associated with cardiovascular disease. Women who experience early menopause have also been found to experience a decline in fertility before the age of 32.

More.

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