Removing one or both ovaries before a woman reaches natural menopause increases the risk of both dementia and movement disorders such as Parkinson's disease.
But giving hormone-replacement therapy at least until the age of 50 blunts that risk, according to a study by Mayo Clinic researchers. According to the study authors, women and doctors should think twice before going ahead with such a surgery. There has also been some evidence that estrogen helps protect against movement disorders, although some studies have shown that the hormone might be detrimental.
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Friday, August 31, 2007
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