and what they need to know. jeffrey brown has our update. >> brown: once a popular treatment for women dealing with symptoms of menopause hormone replacement therapy has come under heightened scrutiny in the last decade with profound implications for its use. a 2002 study from the women's health initiative found that use of the combination estrogen and progestin therapy can put women at greater risk for breast cancer, stroke and heart disease. now a new study, from the same source, focuses on women who've had hysterectomies and, as a result, used only estrogen. and it found some benefits, including a reduced risk of breast cancer, and said the risk of stroke declined after women stopped taking the drug. we walk through the findings with doctor andrea lacroix, lead author of the study. she's an epidemiologist at the fred hutchinson cancer research center in seattle. dr. lacroix, just to establish briefly where things stand as women begin to digest this new