New research reveals that the way hormone therapy is administered can significantly impact memory in postmenopausal women.
While some treatments enhance recall of past experiences, others improve the ability to remember future tasks.
Transdermal estradiol boosts episodic memory
Women who used estradiol through patches or gels showed stronger episodic memory.
This type of memory involves recalling specific events from the past, such as conversations, places, or experiences.
Also read: Why Rewatching Old TV Shows Could Be Good for Your Mental Health
Oral estradiol improves prospective memory
Those who took estradiol in pill form had better prospective memory, the ability to remember to do things in the future, like attending appointments or taking medications.
How the hormone is taken matters
Researchers explained that oral estradiol is processed by the liver, where it transforms into estrone, a weaker form of estrogen.
This change may affect how well the hormone interacts with the brain, leading to different cognitive effects.
No effect on executive function
Neither oral nor transdermal estradiol showed any benefit to executive function, which includes problem-solving and planning.
Also read: Surprising Frozen Foods That Can Help Balance Your Blood Sugar
Experts believe these brain processes, governed by the prefrontal cortex, may be less sensitive to estrogen levels.
Transdermal estradiol may interact more directly with the brain
According to researchers, transdermal estradiol might engage more effectively with memory-related brain regions, like the medial temporal lobe, which contains many estrogen receptors critical for episodic memory.
Early menopause linked to poorer memory
Women who experienced menopause earlier performed worse across all cognitive tests, suggesting that early hormone therapy intervention could be beneficial for maintaining memory performance.
Estradiol use is still limited
Only 6 % of the 7,251 participants were using estradiol at the time of the study.
Also read: Consuming Artificial Sweeteners May Speed Up Brain Decline by 62 Percent
4 % used the transdermal form and 2 % the oral form, indicating that hormone therapy is far from universally adopted.
No long-term effects confirmed
Since this was a cross-sectional study, it cannot prove cause and effect.
The authors emphasized the need for longer-term, longitudinal research to determine the actual impact of hormone therapy on memory.
Hormone therapy isn't a cure-all
While estradiol shows some cognitive benefits, factors like lifestyle and genetics still play a major role in brain health.
Also read: New Study: Your Favorite Drinks May Be Causing Hair Loss
Hormone therapy should be viewed as one possible tool among many.
Transdermal estradiol may be the most promising option
Among the different types of hormone therapy, transdermal estradiol appears to offer the best potential for memory support due to its stability and ability to bypass liver metabolism, preserving more of the hormone's cognitive effects.
This article is based on information from Medical News Today.