They found that as women age, the cells responsible for maintaining healthy breast tissue stop responding to their immediate surroundings, including mechanical cues that should prompt them to suppress nearby tumors. (newscenter.lbl.gov)
Some scientists pointed out that there was no rate of concentration in healthy breast tissue for comparison, causing the cosmetics industry to hail parabens as gloriously safe for a time, but more studies soon emerged. (supernaturalacnetreatment.com)
A group led by Eleanor Rogan, a cancer researcher at the University of Nebraska Medical Center in Lincoln, took samples of healthy breast tissue from women with and without cancer and measured the amounts of estrogen derivatives. (sciencemag.org)