Breast cancer study finds prolonged risk to hormone therapy

Those who took hormones during a massive research program — halted in 2005 — are more likely since then to have cancer that has spread, and more likely to have died, researchers find.When the massive Women's Health Initiative study was abruptly halted in 2005, it was clear that estrogen-plus-progestin hormone therapy increased the risk of breast cancer in women. Now 11 years of follow-up on women in the study who took hormones shows that their risk remains higher and that they have an increased risk of dying from the disease.

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