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Snapshot 5:Tue, Jan 27, 2026 3:35:07 PM GMT last edited by Edward

Menopause Linked to Brain Grey Matter Loss, Study Finds

Menopause Linked to Brain Grey Matter Loss, Study Finds

Above: An MIR Scan of a brain showing early Dementia/Alzheimer's in London, U.K., on May 30, 2025.  Image credit: Peter Dazeley/Getty Images

The Spin

MenopauseHRT acceleratescould brainprove deterioration,vital shrinkingin criticalthe regionsfight likeagainst theAlzheimer's hippocampusin andwomen. anteriorAs cingulateresearch cortexhas thatshown, arestarting vulnerablethe totreatment Alzheimer'swithin disease.five Thisyears greyof mattermenopause losscan helpsreduce explainthe whyrisk womenof developAlzheimer's dementiaby atas nearlymuch twiceas the32%, ratewith ofobservational men.studies HRTshowing failsa to22% preventlower thesedementia structuralrisk brainfor changesall HRT users. Timing, makingtherefore, lifestyleis interventionscrucial, thewith onlyearly reliableintervention defenseoffering againstthe cognitivebest declinechance duringof thisprotecting vulnerablebrain periodfunction.

StartingIt HRTis withinevident fivefrom yearsthe University of menopause reduces AlzheimerCambridge's riskstudy bythat, 32%,at protectingbest, HRT fails to prevent the structural changes to the brain energythat productionleave andwomen preventingmore neurodegenerationvulnerable duringthan amen criticalto transitioncognitive perioddecline. ObservationalAt studiesits showworst, ait 22%can lowerexacerbate dementiacertain riskissues. overallThis forrevelation HRTmakes users.lifestyle Theinterventions timingeven mattersmore critical earlyas interventionthe sustainsonly estrogen'sreliable neuroprotectivedefense benefitsagainst beforediseases irreversiblelike brainAlzheimer's changeslater occurin life.

Metaculus Prediction

There is a 48% chance that a partial reprogramming-based therapy will receive regulatory approval for treating Alzheimer’s disease before January 1, 2035, according to the Metaculus prediction community.


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© 2026 Improve the News Foundation.

All rights reserved.

Version 6.18.0