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الوطن
Estrogen and brain health
A Swedish study led by Karolinska Institutet, involving 352 women in their seventies, linked longer exposure to estrogen with better indicators of small-vessel health and brain structure, but did not establish a direct protective effect. MRI scans repeated five years later showed that a longer reproductive lifespan was associated with fewer signs of vascular damage. Use of contraceptives or hormone therapy was associated with better white-matter integrity, with women who had used both showing the strongest indicators.
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