Brain fog: is it menopause, Alzheimer's or something else?
A neurologist explains the pattern she looks for, the limits of HRT research, and what she checks beyond symptoms.

Key takeaways · TL;DR
A neurologist explains the pattern she looks for, the limits of HRT research, and what she checks beyond symptoms.

Hi Phoenix friend,
You lose a word halfway through a sentence. Then your train of thought disappears.
If you carry APOE4, the next thought can be frightening:
Is this menopause, the start of Alzheimer's or something else entirely?
I put that question to Dr. Ashanthi Gajaweera, a board-certified neurologist, Menopause Society Certified Practitioner, and founder of Healthspan Neurology.
She used to put patients' midlife brain fog down to stress. Then her own menopause transition made her reconsider. An online physics course felt as though she had never learned physics before.
Her reframe: menopause belongs in a brain-health conversation, not just a hormone conversation.
But that does not make every symptom harmless.
A clue, not a diagnosis
Menopause feels more glitchy than progressive and pervasive.
That is how she describes a pattern she sees: stretches of clear thinking between menopausal glitches.
Dementia can fluctuate too. A clear morning does not rule it out. This is her clinical observation, not a test you can use at home.
In her practice, she assesses different parts of thinking and uses cognitive testing and imaging. She follows changes over time rather than relying on one impression.
APOE4 is a risk factor, not a diagnosis.
Watch Part 1:
Better sleep matters. It does not prove prevention.
A member asked what hormone therapy might do beyond brain volume. Treatment had helped her sleep. Did that still count?
Dr. Gajaweera explained that better sleep may make it easier to exercise. Treatment can have value in daily life without proving that it prevents Alzheimer's.
She also looks beyond symptom relief at LDL cholesterol, ApoB and fasting insulin when reviewing treatment.
That is not a reason to raise a hormone dose yourself, or replace cholesterol care with HRT. It is a reason to ask what your treatment is meant to improve, and what your clinician will check.
The interview does not establish an estrogen target for dementia prevention.
Why the HRT headlines disagree
Members brought research pointing in different directions. Some findings concerned memory or brain volume. Others concerned Alzheimer's biomarkers.
Those are different outcomes. They are not interchangeable proof that dementia was prevented.
Dr. Gajaweera looks at who entered a study, which hormones they used, and whether those people resemble the patient in front of her. She also raises possible selection bias.
Those are questions to investigate, not reasons to dismiss a finding you dislike.
The limits: the observational evidence discussed does not settle whether HRT prevents Alzheimer's. Her prescribing approach is her clinical approach, not a treatment rule for every carrier.
A better next appointment
My way of turning this conversation into something you can use:
Write down what changed, when it began, and whether it comes and goes. Bring that description and any existing test results to your clinician.
Then ask:
What else could explain these changes?
What is this treatment meant to improve?
What will we review to decide whether it is helping?
You do not need to order every test mentioned in a podcast.
And being late to the hormone conversation does not mean there is nothing left to do. Dr. Gajaweera separates that decision from the wider work on brain health. Her approach is to choose a useful change you can sustain, then build on it.
Coming in Part 2: diet, cancer history, migraines, different operations, and practical follow-through.
The episode is free. So why join?
The answers are free. The questions came from members.
Someone asked what else should be checked when HRT relieves symptoms. Someone else brought conflicting studies and asked which findings to trust.
Those questions did not just sit in a comment thread. I took them to Dr. Gajaweera, and they shaped the interview.
You can watch without joining. Membership is not a fee to unlock this video.
It is a way to put your question forward before a future interview is recorded, then work on your own protocol between interviews.
Next time, it can be your question.
What you're actually joining
Phoenix is the paid app and community helping APOE4 carriers beat the odds. You build your personal protocol, add a quick daily check-in on what you did and how you feel, and review it each month.
You upload your own blood tests and see them read against APOE4-specific ranges. You can bring questions to experts before interviews.
And each month, you get matched into a pod: a small group of APOE4 carriers with similar monthly goals, helping each other stay on track.
A clear next step. A way to check progress. People who get it.
Let's build your APOE4 protocol together.
For carriers who are serious about beating the odds.
Cheers,
Kevin
P.S. I carry two copies of APOE4. I built Phoenix because I wanted to give myself the best chance of beating the odds. Now I'm building it for you too. Give it sixty days. If you don't feel Phoenix was worth it, tell me and I'll refund you myself.
Most Newsletters? One-way street.
How boring…
This is the Phoenix Community. So let's make it a two-way street.
Got a question? Feedback?
Hit reply. I read every single one.
Dr. Kevin Tran
Doctor of PharmacyDr. Kevin Tran is a Doctor of Pharmacy and APOE4/4 carrier dedicated to helping others with the APOE4 gene variant take proactive steps for their health. He founded The Phoenix Community to provide evidence-based resources and support for APOE4 carriers.
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