In the latest study, researchers took noncancerous breast cells from high-risk patients, grew them in a laboratory and found that once the cells were exposed to bisphenol A and methylparaben, they started behaving like cancer cells.
Tamoxifen, a drug designed to prevent or treat cancer, slows down the growth of both healthy and cancerous breast cells and ultimately leads to their death. But when tamoxifen was introduced in the lab, the cells exposed to the two chemicals kept growing and didn't die, said Dr. William Goodson, senior clinical research scientist at California Pacific Medical Center Research Institute and lead author of the study.
Read more at SF Gate
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