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Exposure to Formaldehyde Increases Risk of Cancer

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Exposure to formaldehyde in the workplace has previously been linked with leukaemia in medical studies. Groups of people were followed from December 1979 until December 1994 to see if they developed cancer and it was found that those who were exposed to formaldehyde occupationally had an increased risk of leukaemia and that this intensified with the level of exposure.

Researchers at the National Cancer Institute extended the study until 2004 and followed 25,619 workers employed at one of ten different formaldehyde producing plants.

The results showed that there was a ‘statistically significant increase’ for all lymphohematopoietic malignancies and Hodgkin lymphoma. Statistically non-significant associations were found between formaldehyde exposure and multiple myeloma and myeloid leukaemia.

They concluded that:

‘Evaluation of risks over time suggests a possible link between formaldehyde exposure and lymphohematopoietic malignancies’, and ‘Observed patterns could be due to chance but are also consistent with a causal association.’

The study’s lead author, Dr. Laura Freeman, said “The overall patterns of risk seen in this extended follow-up of industrial workers, while not definitive, are consistent with a causal association between formaldehyde exposure and cancers of the blood and lymphatic system and warrant continued concern. Further studies are needed to evaluate risks of these cancers in other formaldehyde-exposed populations and to assess possible biological mechanisms.”

This is concerning because formaldehyde is used frequently in industry as a preservative and disinfectant. It is used in the making of plastics, laminate, plywood and paints and even photographic film, as well as cosmetics and medicinal products. The U.S. Occupational Safety and Health Administration estimated that nearly 2.1 million workers in the United States are exposed to formaldehyde every day.

Quick Facts about Formaldehyde:

1. Formaldehyde is classified as a known human carcinogen - International Agency for Research on Cancer (June 2004).

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EmpowHER Guest

My son (6mths) husband & I, recently toured in a RV rented out of the states, that said it contained formaldehyde for 3 weeks. The three of ous especially my son & I had extremly dry flaky skin for the 3 weeks & I with headaches each day. I am now really worried that the 3 wks my lead to other problems as serious as cancer. Could that limited amount of time result in that?
I hope to hear from you soon. aeatkins@yahoo.com.au

July 12, 2009 - 5:42pm
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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.



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