Ruthann Rudel, research director at the Silent Spring Institute in Newton and Silent Spring scientist Bethsaida Cardona, set out to identify preventable causes of breast cancer, through an investigation of the chemicals that might increase risk of the condition.
Rudel explained: “The connection between estrogen and progesterone and breast cancer is well established.
“So, we should be extremely cautious about chemicals in products that increase levels of these hormones in the body.”
Doctor Sue Fenton, associate editor for the study and an expert in mammary gland development at the National Institute of Environmental Health Sciences, noted: “This study shows that a number of chemicals currently in use have the ability to manipulate hormones known to adversely affect breast cancer risk.
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