The binding of metals to estrogen receptors of human breast cancer cells can even displace estrogen, an indication of just how tightly these carcinogenic substances bind and just how profoundly they disrupt the hormonal systems in our bodies. It is not hard to envisage how this may have resulted in the dramatic increase in average breast size of American women from 34B to 36C in just a decade. While some of this increase is probably due to implants along with the extensive use of HRTs and birth control pills, all of which can be as problematic to health, exposure to metal toxins is becoming global and unavoidable, whereas problems caused by implants and hormonal therapies with unnatural analogues is voluntary, and avoidable if removed from water supplies and waste..