{"id":305674,"date":"2026-01-27T06:15:09","date_gmt":"2026-01-27T06:15:09","guid":{"rendered":"https:\/\/www.europesays.com\/ie\/305674\/"},"modified":"2026-01-27T06:15:09","modified_gmt":"2026-01-27T06:15:09","slug":"revealed-menopause-linked-to-loss-of-grey-matter-which-could-explain-womens-heightened-risk-of-dementia","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ie\/305674\/","title":{"rendered":"Revealed: Menopause linked to loss of grey matter, which could explain women\u2019s heightened risk of dementia"},"content":{"rendered":"<p style=\"color:var(--color-primary-80)\" data-testid=\"title-summary\">The regions of the brain responsible for memory, spatial navigation and emotional regulation were most affected\n<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">Experts from the University of Cambridge carried out a study on 124,780 women to examine the effects of menopause on the brain and to discover whether hormone replacement therapy (HRT) plays a role in preventing cognitive decline.<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">They found that menopause is linked to a loss of brain grey matter, which is vital for mental functions, memory, emotions and movement, and that menopause can bring on anxiety, depression and sleep problems.<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">The study found that post-menopausal women who were not on HRT had slower reaction times than those who had not reached menopause yet or who were on HRT. However, there were no significant differences among the three groups when it came to performance on memory tasks.<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">The study, published in the journal Psychological Medicine, looked at women who were pre-menopause, post-menopausal having never used HRT and post-menopausal having used HRT.<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">Women answered questions in areas such as sleep and whether they suffered depression and anxiety, and some took part in cognitive tests.<\/p>\n<p><img decoding=\"async\" alt=\"Women are more likely to suffer from insomnia post-menopause. Stock image. Photo: Getty\" src=\"https:\/\/www.europesays.com\/ie\/wp-content\/uploads\/2026\/01\/11f14b0d-6216-48d5-9afd-487c1dba6328.jpg\" loading=\"lazy\" width=\"100%\" data-testid=\"article-image\"  \/><\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_caption1 indo-300db776_none indo-91174671_secondary indo-66f0fec7_regular indo-1d70522a_marginbottom0 indo-1d70522a_marginleft0 indo-1d70522a_marginright0 indo-1d70522a_margintop3 indo-b48c4984_left\" style=\"color:var(--color-grey-60)\">Women are more likely to suffer from insomnia post-menopause. Stock image. Photo: Getty<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">Around 11,000 women also underwent magnetic resonance imaging (MRI) scans so experts could look at their brain structure.<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">The average age of onset of menopause among the women was 49 and those on HRT were around that age when they started treatment.<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">Post-menopausal women were more likely to report insomnia, getting less sleep overall and feeling tired, the study found. Those on HRT reported feeling the most tired of all three groups, even though they slept the same amount as women not on HRT.<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">All post-menopausal women, whether on HRT or not, said they were more tired than women who had not gone through it.<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">Menopause also affected cognition.<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">Katharina Zuhlsdorff, from the University of Cambridge\u2019s department of psychology, said: \u201cAs we age, our reaction times tend to get slower. It\u2019s just a part of the natural ageing process and it happens to both women and men.<\/p>\n<blockquote class=\"indo-1d70522a_marginbottom5 indo-1d70522a_margintop5 indo-26838ee5_paddingbottom3 indo-26838ee5_paddingleft7 indo-26838ee5_paddingright5 indo-26838ee5_paddingtop3 indo-b184cee3_openquote\" style=\"border-left-color:var(--color-primary-base);border-left-style:solid;border-left-width:0\" data-testid=\"inline-quote\">\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-91174671_secondary indo-66f0fec7_medium indo-1d70522a_marginbottom0\" style=\"color:var(--color-black-base)\">Menopause could make these women vulnerable further down the line<\/p>\n<\/blockquote>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">\u201cYou can imagine being asked a question at a quiz. While you might still arrive at the correct answer as your younger self, younger people would no doubt get there much faster.<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">\u201cMenopause seems to accelerate this process, but HRT appears to put the brakes on, slowing the ageing process slightly.\u201d<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">Researchers found significant reductions in volume of grey matter in those women who were post-menopausal. In particular, these differences occurred in the hippocampus (which has a major role in learning and memory), the entorhinal cortex (essential for forming memories and spatial navigation) and the anterior cingulate cortex (which helps with attention and regulating emotions).<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">Barbara Sahakian, the study\u2019s senior author, said: \u201cThe brain regions where we saw these differences are ones that tend to be affected by Alzheimer\u2019s disease.<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">\u201cMenopause could make these women vulnerable further down the line.<\/p>\n<p class=\"indo-ebe0ecc6_root indo-ebe0ecc6_paragraph indo-300db776_none indo-91174671_primary indo-1d70522a_marginbottom5 indo-1d70522a_margintop0 indo-b48c4984_inherit\" style=\"color:var(--color-primary-80)\">\u201cWhile not the whole story, it may help explain why we see almost twice as many cases of dementia in women than in men.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"The regions of the brain responsible for memory, spatial navigation and emotional regulation were most affected Experts from&hellip;\n","protected":false},"author":2,"featured_media":305675,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[78],"tags":[18,135,19,17,19618,112802],"class_list":{"0":"post-305674","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-health","8":"tag-eire","9":"tag-health","10":"tag-ie","11":"tag-ireland","12":"tag-menopause","13":"tag-press-association-pa"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@ie\/115965599840048412","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts\/305674","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/comments?post=305674"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts\/305674\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/media\/305675"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/media?parent=305674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/categories?post=305674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/tags?post=305674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}