Sex differences in healthy brain aging are unlikely to explain higher Alzheimer’s disease prevalence in women

Proceedings of the National Academy of Sciences, Volume 122, Issue 42, October 2025. <br/>As Alzheimer’s disease (AD) is diagnosed more frequently in women, understanding the role of sex has become a key priority in AD research. However, despite aging being the primary risk factor for AD, it remains unclear whether men and women differ in the …