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Published in:
2011 | OriginalPaper | Chapter
The Open Problem
Authors : Sherri Rose, Mark J. van der Laan
Published in: Targeted Learning
Publisher: Springer New York
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The debate over hormone replacement therapy (HRT) has been one of the biggest health discussions in recent history. Professional groups and nonprofits, such as the American College of Physicians and the American Heart Association, gave HRT their stamp of approval 15 years ago. Studies indicated that HRT was protective against osteoporosis and heart disease. HRT became big business, with millions upon millions of prescriptions filled each year. However, in 1998, the Heart and Estrogen-Progestin Replacement Study demonstrated increased risk of heart attack among women with heart disease taking HRT, and in 2002 the Women’s Health Initiative showed increased risk for breast cancer, heart disease, and stroke, among other ailments, for women on HRT. Why were there inconsistencies in the study results?