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Prenatal Exposure to Bisphenol A Increases Rats’ Risk of Breast Cancer

Prenatal Exposure to Bisphenol A Increases Rats’ Risk of Bre...

A compound called bisphenol A (BPA) used to make plastics, epoxy resins, dental sealants and cash register receipts can raise the risk of breast cancer in rodents. That’s the conclusion of a study that examined the effects of prenatal exposure to this estrogenic compound. The investigators found that the blood levels of BPA in exposed rats were comparable to those of humans.

Female offspring developed precancerous mammary gland changes early in life, when they were less than two months old. Some of these animals developed cancerous lesions by the time they were three months old, even when they had no other carcinogenic exposures. 

These findings suggest that parents should be cautious about protecting babies from BPA. We have discussed BPA as a hormone disruptor on The People’s Pharmacy with a number of experts. For more information on how to minimize exposure to this chemical, you may want to listen to Tieraona Low Dog, MD.

[Environmental Health Perspectives, Sept, 2013]

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About the Author
Terry Graedon, PhD, is a medical anthropologist and co-host of The People’s Pharmacy radio show, co-author of The People’s Pharmacy syndicated newspaper columns and numerous books, and co-founder of The People’s Pharmacy website. Terry taught in the Duke University School of Nursing and was an adjunct assistant professor in the Department of Anthropology. She is a Fellow of the Society of Applied Anthropology. Terry is one of the country's leading authorities on the science behind folk remedies. .
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