"Across the U.S., roughly 6 million adults 65 and over have Alzheimer’s disease. Almost two thirds of them are women — a discrepancy that researchers have long attributed to genetics and women’s longer life spans, among other reasons. But there is growing consensus that menopause may also be an important risk factor for the development of dementia later in life."

https://www.nytimes.com/2023/11/21/well/mind/menopause-dementia-risk-estrogen.html