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Can Your Cooking Pan Bring on Menopause?


Gender-bending chemicals found in non-stick pans and food packaging are linked to early menopause, scientists say.

A major study has shown that women with the highest levels of the substances in their bodies go through ‘the change’ sooner than women with low levels.

PFOA (Perfluorooctanoic Acid) is used as a necessary processing aid in the manufacture of all fluoropolymers. PFOA is a well known carcinogen that has been linked to cancer, birth defects and liver damage.

Almost every manufacturer of non-stick surfaces in the world will now tell you that they are filtering PFOA during the manufacturing process. The truth is that 100% of PFOA will never be completely captured by any filter. Moreover, any manufacturer or representative that tells you that PFOA is not present once the manufacturing process is complete is heavily misformed.

PFOA is found in the blood of over 95% of humans in the Western world and scientific studies have validated with certainty that PFOA is released from the fluoropolymer-based end products.

PFCs, or perfluorocarbons, are found throughout the home.

They are breathed in via dust or vapour, or eaten in food, and have been linked to thyroid cancer, immune system problems and heart disease.

Many researchers believe they also act as hormone disrupters in the body.

They repel water and fat, and so have been used to make non-stick cookware, greaseproof food packaging and stain-resistant sprays for clothes and carpets.

The company 3M stopped using the chemicals in Scotchgard in 2002 due to health concerns. DuPont, manufacturer of Teflon, has agreed to phase them out by 2015.

The latest study looked at levels of PFCs in blood samples from 26,000 U.S. women.

The researchers, from West Virginia University, found levels were highest in women aged over 42 who had gone through the menopause.

Women in this age group with high levels of PFCs also had ‘significantly lower’ concentration of the female hormone oestrogen, the scientists report in the Journal of Clinical Endocrinology and Metabolism. 

Dr Sarah Knox, who led the research, said: ‘There is no doubt there is an association between exposure to PFCs and onset of menopause.’

But she stressed that the study had not shown that higher PFCs actually cause earlier menopause.

She added: ‘Part of the explanation could be that women in these age groups have higher PFC levels because they are no longer losing PFCs with menstrual blood anymore, but it is still clinically disturbing because it would imply increased PFC exposure is the natural result of menopause.’

Dr Stuart Harrad from Birmingham University, an expert in indoor pollution, said most people’s exposure to PFCs was well within the official safe levels in the UK.

But environmental campaigners urged women to reduce their  exposure to man-made hormone  disrupting chemicals in the home.

Gwynne Lyons, director of CHEM Trust, said: ‘There is now widespread exposure to sex hormone disrupting chemicals that can have profound effects on our well-being.

‘It is high time that the UK put health protection higher up the agenda and pushed for better EU regulation of hormone disrupters. Far better testing of chemicals prior to their widespread use is needed.’

A spokesman for the Food Standards Agency said it will look at the study but its own research into ‘potential contaminants from non-stick coated and metal coated kitchenware products’ found that levels were ‘generally low and within safety limits’.

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