Early Menopause May Lead to Faster Onset of Alzheimer's Disease, Cognitive Decline
Recent research shows that entering menopause early may lead to faster cognitive decline and an earlier onset of Alzheimer’s disease. Kathrin Ziegler · DigitalVision/Getty Earlier menopause may be associated with faster cognitive decline and less favorable brain health later in life. These associations may persist for decades after the menopause transition. Earlier menopause was associated with…
A new study suggests that women who experience early menopause are more likely to face faster cognitive decline and a higher risk of Alzheimer's disease. Early menopause, defined as the onset of menopause before the age of 45, was associated with accelerated memory loss and an earlier diagnosis of Alzheimer's disease in the study, which followed over 3,000 individuals for an average of 18 years.
The research, published in JAMA Network Open, utilized data from two long-term aging cohorts - the Religious Orders Study and the Rush Memory and Aging Project. Participants were initially included based on their recorded ages of menarche (first period) and menopause, along with data availability for longitudinal cognitive trajectories, neuropathologic outcomes, and MRI scans.
The findings indicate that the age at which ovarian hormone loss occurs continues to be linked with structural brain aging, even decades after menopause. Specifically, women whose menopausal transition occurred five years earlier had 15% higher white matter hyperintensities, which are areas of damaged brain tissue visible on MRI scans. This association was observed primarily in women who experienced spontaneous menopause, not those who underwent surgical menopause.
Dr. Sherry Ross, a board-certified OB/GYN, emphasized the importance of addressing the connection between menopause and cognitive decline with patients. She noted that estrogen plays a crucial role in brain function, supporting communication between brain cells and nerves, managing energy use, and reducing inflammation. With the loss of estrogen during menopause, these protective effects are diminished, making women more vulnerable to cognitive decline and Alzheimer's disease.
To protect brain health, Ross recommends that women experiencing early menopause - whether naturally or surgically - follow a healthy lifestyle. This includes maintaining a balanced diet, getting adequate sleep, engaging in regular exercise, managing stress, supporting gut health, and keeping the mind active through mentally stimulating activities. Early identification and monitoring of cognitive functioning can help women minimize the risk of cognitive decline and Alzheimer's disease associated with early menopause.
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