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Is Post-Menopausal Estrogen Therapy (HRT) Ready for a Come Back? Part 1


Once a common solution for the Miseries of Menopause, hormone replacement therapy (HRT) with estrogen was abandoned almost overnight in 2002 with the publication of the Women’s Health Initiative (WHI) results. The WHI did not dispute the fact that HRT is the best method of reversing post-menopausal symptoms such as hot flashes and insomnia but it did overturn some cherished beliefs as far as women’s heart health is concerned.
Women have a much lower risk of heart attack then men until they reach menopause. At menopause when the ovaries stop making estrogen the risk of heart attack climbs rapidly until it equals that of men. Common sense suggests that if losing estrogen causes increased heart attack risk then replacing the estrogen should prevent this. What the WHI appears to show is that HRT does not protect women from heart disease, but may actually increase the risk above the normal post-menopausal risk. Worse yet is the WHI conclusion that HRT increases the risk of breast cancer and of blood clot complications (thromboembolic disease). It is no wonder that in 2002 HRT took its place with smoking as the scourge of womens’ health.
Since that time scientists have reevaluated the WHI data and more work on HRT risk versus benefit has been done. What is evolving from this reassessment is that the use of progesterone in the WHI participants and the time from onset of menopause until the time HRT was started, both play important roles in how often women developed heart disease or cancer. Additionally, a new class of drugs when use together with HRT may block the cancer risks associated with HRT. In Part 2 of this article I will be covering these aspects. Stay tuned!
Gary Pepper, M.D.
Editor-in- Chief, metabolism.com

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